Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
13901	Resolva para x	sin(2x+1)=3x	$\sin (2 x + 1) = 3 x$
13902	Resolva para x	u=(7x+1)(2-3x)	$u = (7 x + 1) (2 - 3 x)$
13903	Déterminer s'il y a linéarité	( racine carrée de x+2)/( racine carrée de x-1)+( racine carrée de x-7)/( racine carrée de x+5)=0	$\frac{\sqrt{x + 2}}{\sqrt{x - 1}} + \frac{\sqrt{x - 7}}{\sqrt{x + 5}} = 0$
13904	Resolva para x	x+y-z=-1	$x + y - z = - 1$
13905	Resolva para x	x(e^(-x))+7(e^(-x))=0	$x (e^{- x}) + 7 (e^{- x}) = 0$
13906	Resolva para x	x(-15+10)=-45	$x (- 15 + 10) = - 45$
13907	Resolva para x	x(3x+8)(x-1)=0	$x (3 x + 8) (x - 1) = 0$
13908	Resolva para x	x(3x-2)=5	$x (3 x - 2) = 5$
13909	Resolva para x	x*x-2x-1=0	$x \cdot x - 2 x - 1 = 0$
13910	Resolva para x	x-0.20x=56	$x - 0.2 x = 56$
13911	Resolva para x	x(2x)^2=0.000000039	$x {(2 x)}^{2} = 0.00000003$
13912	Resolva para x	x-1/2y=-1	$x - \frac{1}{2} y = - 1$
13913	Resolva para x	x-25/x=0	$x - \frac{25}{x} = 0$
13914	Resolva para x	x-(3x)/(x-3)=9-9/(x-3)	$x - \frac{3 x}{x - 3} = 9 - \frac{9}{x - 3}$
13915	Resolva para x	x-x^2=0	$x - x^{2} = 0$
13916	Resolva para x	x-x^2=1-6x^2	$x - x^{2} = 1 - 6 x^{2}$
13917	Resolva para x	x+(-3x)=12	$x + (- 3 x) = 12$
13918	Resolva para x	x+(x+20)+(210-3x)=80	$x + (x + 20) + (210 - 3 x) = 80$
13919	Resolva para x	x+3/10=26	$x + \frac{3}{10} = 26$
13920	Resolva para x	x+3/5=4/5	$x + \frac{3}{5} = \frac{4}{5}$
13921	Resolva para x	x+(4-z)/8=7	$x + \frac{4 - z}{8} = 7$
13922	Resolva para x	x+9/23z=5/23	$x + \frac{9}{23} z = \frac{5}{23}$
13923	Resolva para x	x+9/8=7/8x	$x + \frac{9}{8} = \frac{7}{8} x$
13924	Resolva para x	x+x^2=30	$x + x^{2} = 30$
13925	Resolva para x	x+0.10x=585.20	$x + 0.1 x = 585.2$
13926	Resolva para x	x+0=8	$x + 0 = 8$
13927	Resolva para x	x+13=19	$x + 13 = 19$
13928	Resolva para x	x+2(7)=13	$x + 2 (7) = 13$
13929	Resolva para x	x+2000+0.1+8000=3600	$x + 2000 + 0.1 + 8000 = 3600$
13930	Resolva para x	x+21=6	$x + 21 = 6$
13931	Resolva para x	x+2x=27	$x + 2 x = 27$
13932	Resolva para x	x+2y+3z=6	$x + 2 y + 3 z = 6$
13933	Resolva para x	logarithme de x=2.0832	$\log (x) = 2.0832$
13934	Resolva para x	logarithme de x+12=64	$\log (x + 12) = 64$
13935	Resolva para x	p(2005)=x^3+2x^2-8x+520	$p (2005) = x^{3} + 2 x^{2} - 8 x + 520$
13936	Resolva para x	8-3x=14	$8 - 3 x = 14$
13937	Resolva para x	85=100-100e^(-0.08x)	$85 = 100 - 100 e^{- 0.08 x}$
13938	Resolva para x	85=x	$85 = x$
13939	Resolva para x	8x-(4x+7)=17	$8 x - (4 x + 7) = 17$
13940	Resolva para x	8x-(5x+6)=12	$8 x - (5 x + 6) = 12$
13941	Resolva para x	8x+2y=13	$8 x + 2 y = 13$
13942	Resolva para x	8x+2y-8=0	$8 x + 2 y - 8 = 0$
13943	Resolva para x	-8x+4(x-7)=-4	$- 8 x + 4 (x - 7) = - 4$
13944	Resolva para x	logarithme népérien de x-2+ logarithme népérien de 2x+1=8	$\ln (x - 2) + \ln (2 x + 1) = 8$
13945	Resolva para x	logarithme de 10^x=3	$\log (10^{x}) = 3$
13946	Resolva para x	logarithme de x/12=-0.875	$\log (\frac{x}{12}) = - 0.875$
13947	Resolva para x	logarithme de x^2=5	$\log (x^{2}) = 5$
13948	Resolva para x	logarithme de x^3=6-2x	$\log (x^{3}) = 6 - 2 x$
13949	Resolva para x	logarithme de 1.34-x=-1	$\log (1.34 - x) = - 1$
13950	Resolva para x	logarithme de 10x+ logarithme de 103=2 logarithme de 104- logarithme de 10*2	$\log (10) x + \log (10) \cdot 3 = 2 \log (10) \cdot 4 - \log (10) \cdot 2$
13951	Resolva para x	logarithme de 10x+ logarithme de 103 = logarithme de 104- logarithme de 10*2	$\log (10) x + \log (10) \cdot 3 = \log (10) \cdot 4 - \log (10) \cdot 2$
13952	Resolva para x	logarithme de 102-2x=2	$\log (102 - 2 x) = 2$
13953	Resolva para x	logarithme de 2( base logarithmique 3 de x)=4	$\log (2) (\log_{3} (x)) = 4$
13954	Resolva para x	logarithme de 25x=1/2	$\log (25) x = \frac{1}{2}$
13955	Resolva para x	logarithme de 4+ logarithme de x = logarithme de 5- logarithme de x	$\log (4) + \log (x) = \log (5) - \log (x)$
13956	Resolva para x	logarithme de 4x-7=2	$\log (4 x - 7) = 2$
13957	Resolva para x	logarithme de 5- logarithme de 10=x	$\log (5) - \log (10) = x$
13958	Resolva para x	logarithme de 5x = logarithme de 2+ logarithme de x+2	$\log (5 x) = \log (2) + \log (x + 2)$
13959	Resolva para x	logarithme de 5x-3=2	$\log (5 x - 3) = 2$
13960	Resolva para x	logarithme de 6+ logarithme de x-6 = logarithme de x	$\log (6) + \log (x - 6) = \log (x)$
13961	Resolva para x	logarithme de 8(h)=8x+6	$\log (8) (h) = 8 x + 6$
13962	Resolva para x	logarithme de x=1/3* logarithme de a+4 logarithme de b-2 logarithme de c-1/2* logarithme de a-b	$\log (x) = \frac{1}{3} \cdot \log (a) + 4 \log (b) - 2 \log (c) - \frac{1}{2} \cdot \log (a - b)$
13963	Resolva para x	logarithme de x=-1.1577	$\log (x) = - 1.1577$
13964	Resolva para x	h(2z)=(4x+7)/(x-6)	$h (2 z) = \frac{4 x + 7}{x - 6}$
13965	Resolva para x	h(3a)=x^4-2x^2+5	$h (3 a) = x^{4} - 2 x^{2} + 5$
13966	Resolva para x	i+24ix+2ix^2=0	$i + 24 i x + 2 i x^{2} = 0$
13967	Resolva para x	logarithme népérien de (8x+11)/x = logarithme népérien de 9	$\ln (\frac{8 x + 11}{x}) = \ln (9)$
13968	Resolva para x	logarithme népérien de 1-x+ = logarithme népérien de 8-x logarithme népérien de 18	$\ln (1 - x) + \ln (8 - x) = \ln (18)$
13969	Resolva para x	logarithme népérien de 2x-3=4	$\ln (2 x - 3) = 4$
13970	Resolva para x	logarithme népérien de 2x-5=-3	$\ln (2 x - 5) = - 3$
13971	Resolva para x	logarithme népérien de 3x+10- = logarithme népérien de x logarithme népérien de 4	$\ln (3 x + 10) - \ln (x) = \ln (4)$
13972	Resolva para x	logarithme népérien de 3x-4 = logarithme népérien de 20- logarithme népérien de x-5	$\ln (3 x - 4) = \ln (20) - \ln (x - 5)$
13973	Resolva para x	logarithme népérien de 4x=30	$\ln (4 x) = 30$
13974	Resolva para x	logarithme népérien de 5x-5=2	$\ln (5 x - 5) = 2$
13975	Resolva para x	logarithme népérien de 7x+5 = logarithme népérien de 2x-5	$\ln (7 x + 5) = \ln (2 x - 5)$
13976	Resolva para x	logarithme népérien de 8x+22 = logarithme népérien de 5x+10	$\ln (8 x + 22) = \ln (5 x + 10)$
13977	Resolva para x	logarithme népérien de 8x-6=3	$\ln (8 x - 6) = 3$
13978	Resolva para x	logarithme népérien de logarithme népérien de x-e^6x=0	$\ln (\ln (x - e^{6} x)) = 0$
13979	Resolva para x	logarithme népérien de x+ logarithme népérien de x-1 = logarithme népérien de 2+ logarithme népérien de 3	$\ln (x) + \ln (x - 1) = \ln (2) + \ln (3)$
13980	Resolva para x	logarithme népérien de x=1.2588	$\ln (x) = 1.2588$
13981	Resolva para x	logarithme népérien de x=11	$\ln (x) = 11$
13982	Resolva para x	logarithme népérien de x=3.46	$\ln (x) = 3.46$
13983	Resolva para x	logarithme népérien de x=y	$\ln (x) = y$
13984	Resolva para x	x=4(77)+2	$x = 4 (77) + 2$
13985	Resolva para x	x=490-3/7*133000	$x = 490 - \frac{3}{7} \cdot 133000$
13986	Resolva para x	x=-4y	$x = - 4 y$
13987	Resolva para x	x=500(1+0.64)^8	$x = 500 {(1 + 0.64)}^{8}$
13988	Resolva para x	x=5900(1+0.058/12)^(12*12)	$x = 5900 {(1 + \frac{0.058}{12})}^{12 \cdot 12}$
13989	Resolva para x	x=7e^(0.06364828*30)	$x = 7 e^{0.0\overline{636482} \cdot 30}$
13990	Resolva para x	x=7-2y	$x = 7 - 2 y$
13991	Resolva para x	x=899(0.0002)+99(0.0006)+39(0.001)+4(0.004)+(-1)*(0.9942)	$x = 899 \cdot (0.0002) + 99 \cdot (0.0006) + 39 \cdot (0.001) + 4 \cdot (0.004) + (- 1) \cdot (0.9942)$
13992	Resolva para x	x=9200(1+0.05/20)	$x = 9200 (1 + \frac{0.05}{20})$
13993	Resolva para x	x = natural log of ee	$x = \ln (e) e$
13994	Resolva para x	x=u((u*(1-u))/s-1)	$x = u (\frac{u \cdot (1 - u)}{s} - 1)$
13995	Resolva para x	x=x+0.1(2020)	$x = x + 0.1 (2020)$
13996	Resolva para x	x-0.25x=51	$x - 0.25 x = 51$
13997	Resolva para x	x-1=7	$x - 1 = 7$
13998	Resolva para X	X-12+2X-171+1/2X+6=180	$X - 12 + 2 X - 171 + \frac{1}{2} X + 6 = 180$
13999	Resolva para x	x-15+10=-45	$x - 15 + 10 = - 45$
14000	Resolva para x	x-16=14	$x - 16 = 14$