Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
16001	Resolva para x	2x^2=13x+7	$2 x^{2} = 13 x + 7$
16002	Resolva para x	2x^2-2x=0	$2 x^{2} - 2 x = 0$
16003	Resolva para x	2x^2-4x-6=0	$2 x^{2} - 4 x - 6 = 0$
16004	Resolva para x	2x^2-9+4=0	$2 x^{2} - 9 + 4 = 0$
16005	Resolva para x	2x^2-9=-59	$2 x^{2} - 9 = - 59$
16006	Resolva para x	-2x^3+x^2+13x+6=0	$- 2 x^{3} + x^{2} + 13 x + 6 = 0$
16007	Resolva para x	2+x/2+(3x)/8=16	$2 + \frac{x}{2} + \frac{3 x}{8} = 16$
16008	Resolva para x	2 = log base 3 of 2x+1-3	$2 = \log_{3} (2 x + 1) - 3$
16009	Resolva para x	2 = square root of x-6	$2 = \sqrt{x - 6}$
16010	Resolva para x	20(x)+80(y)=34000	$20 (x) + 80 (y) = 34000$
16011	Resolva para x	20=13.2x+443	$20 = 13.2 x + 443$
16012	Resolva para X	20000=X(1+0.16)^5	$20000 = X {(1 + 0.16)}^{5}$
16013	Resolva para x	200-x*60=0	$200 - x \cdot 60 = 0$
16014	Resolva para x	200x-2x^2=-x^2+25x+6900	$200 x - 2 x^{2} = - x^{2} + 25 x + 6900$
16015	Resolva para x	20-3(-6x^2+22x-16)=12x-4	$20 - 3 (- 6 x^{2} + 22 x - 16) = 12 x - 4$
16016	Resolva para x	20x-9=20/x	$20 x - 9 = \frac{20}{x}$
16017	Resolva para x	21\|x-11\|=42	$21 \| x - 11 \| = 42$
16018	Resolva para x	21=-7x	$21 = - 7 x$
16019	Resolva para x	213=3/2x+3	$213 = \frac{3}{2} x + 3$
16020	Resolva para x	225=50000.06x	$225 = 5000 \cdot 0.06 \cdot x$
16021	Resolva para x	23x+32y=10100	$23 x + 32 y = 10100$
16022	Resolva para x	23x-16=14-17x+5x-11	$23 x - 16 = 14 - 17 x + 5 x - 11$
16023	Resolva para x	24(x-1)=6(4-x)+18x	$24 (x - 1) = 6 (4 - x) + 18 x$
16024	Resolva para x	24((2x)/3x/8)=24*(7/2+x/4)	$24 \cdot (\frac{2 x}{3} \cdot \frac{x}{8}) = 24 \cdot (\frac{7}{2} + \frac{x}{4})$
16025	Resolva para x	24=2x-8	$24 = 2 x - 8$
16026	Resolva para x	24x-6y=54	$24 x - 6 y = 54$
16027	Resolva para x	25x^2(4^x)-4*4^x=0	$25 x^{2} (4^{x}) - 4 \cdot 4^{x} = 0$
16028	Resolva para x	25x^-4-104x^-2+16=0	$25 x^{- 4} - 104 x^{- 2} + 16 = 0$
16029	Resolva para x	25+x^4-144=0	$25 + x^{4} - 144 = 0$
16030	Resolva para x	25+3(x+2)=22	$25 + 3 (x + 2) = 22$
16031	Resolva para x	2500x=1800x+3000	$2500 x = 1800 x + 3000$
16032	Resolva para x	25x+y=167	$25 x + y = 167$
16033	Resolva para x	25x=22x+100000	$25 x = 22 x + 100000$
16034	Resolva para x	27+x=2x	$27 + x = 2 x$
16035	Resolva para x	27=3^(-4+8x)	$27 = 3^{- 4 + 8 x}$
16036	Resolva para x	2750+25x+x^2=130x	$2750 + 25 x + x^{2} = 130 x$
16037	Resolva para x	277-252cos(180-x)=(244-(240cos(x)))	$277 - 252 \cos (180 - x) = (244 - (240 \cos (x)))$
16038	Resolva para x	27x+40(5000-x)=154500	$27 x + 40 (5000 - x) = 154500$
16039	Resolva para x	2 logarithme népérien de x = logarithme népérien de x+4+ logarithme népérien de 2x	$2 \ln (x) = \ln (x + 4) + \ln (2 x)$
16040	Resolva para x	2 logarithme de x- logarithme de 7 = logarithme de 63	$2 \log (x) - \log (7) = \log (63)$
16041	Resolva para x	2x+4x=12	$2 x + 4 x = 12$
16042	Resolva para x	2x(5x-7)=2x^2-5	$2 x (5 x - 7) = 2 x^{2} - 5$
16043	Resolva para x	1-10/x+24/(x^2)=0	$1 - \frac{10}{x} + \frac{24}{x^{2}} = 0$
16044	Resolva para x	1e^(-0.0125x)=0	$1 e^{- 0.0125 x} = 0$
16045	Resolva para x	1+(x^2-5x-24)/(3x)=(x-6)/(3x)	$1 + \frac{x^{2} - 5 x - 24}{3 x} = \frac{x - 6}{3 x}$
16046	Resolva para x	10(x-20)+15x-16=11(12x+10)-18x-9	$10 (x - 20) + 15 x - 16 = 11 (12 x + 10) - 18 x - 9$
16047	Resolva para x	10x^2-36y^2=100	$10 x^{2} - 36 y^{2} = 100$
16048	Resolva para x	10+2e^(8x)=30	$10 + 2 e^{8 x} = 30$
16049	Resolva para x	100=12.1 racine carrée de x	$100 = 12.1 \sqrt{x}$
16050	Resolva para x	100=35(x+1)	$100 = 35 (x + 1)$
16051	Resolva para x	100=500(0.12)^(0.7x)	$100 = 500 {(0.12)}^{0.7 x}$
16052	Resolva para x	100=x(1+(0.75*0.04))	$100 = x (1 + (0.75 \cdot 0.04))$
16053	Resolva para x	1000=x^10	$1000 = x^{10}$
16054	Resolva para x	1000=20x+1000	$1000 = 20 x + 1000$
16055	Resolva para x	1000=30000e^(-0.7x)	$1000 = 30000 e^{- 0.7 x}$
16056	Resolva para x	10000=45x-5000+25x	$10000 = 45 x - 5000 + 25 x$
16057	Resolva para x	10000=x(1+0.925)^32	$10000 = x {(1 + 0.925)}^{32}$
16058	Resolva para x	10-3x^2=-5x	$10 - 3 x^{2} = - 5 x$
16059	Resolva para x	103+x^2=47+5/2x^2	$103 + x^{2} = 47 + \frac{5}{2} x^{2}$
16060	Resolva para x	1050+900+5x=650+400+9z	$1050 + 900 + 5 x = 650 + 400 + 9 z$
16061	Resolva para x	108x^5=1.3a-34	$108 x^{5} = 1.3 a - 34$
16062	Resolva para x	10-9x=82	$10 - 9 x = 82$
16063	Resolva para x	10x-(5x-1)=5	$10 x - (5 x - 1) = 5$
16064	Resolva para x	10x+18y=20000	$10 x + 18 y = 20000$
16065	Resolva para x	10x+20(8200-x)=131000	$10 x + 20 (8200 - x) = 131000$
16066	Resolva para x	10x+20(90-2x)=780	$10 x + 20 (90 - 2 x) = 780$
16067	Resolva para x	10x+20(x+303)+30y=67020	$10 x + 20 (x + 303) + 30 y = 67020$
16068	Resolva para x	10x+200=600-x	$10 x + 200 = 600 - x$
16069	Resolva para x	10x+6=8(5/4x+3/4)	$10 x + 6 = 8 (\frac{5}{4} x + \frac{3}{4})$
16070	Resolva para x	10x-7=2x+52	$10 x - 7 = 2 x + 52$
16071	Resolva para x	1125=650+825-x	$1125 = 650 + 825 - x$
16072	Resolva para x	115.62=x(0.04)(45/365)	$115.62 = x (0.04) (\frac{45}{365})$
16073	Resolva para x	116+16.5x=23.75x	$116 + 16.5 x = 23.75 x$
16074	Resolva para x	11x+4y=110	$11 x + 4 y = 110$
16075	Resolva para x	11x-6=2/x	$11 x - 6 = \frac{2}{x}$
16076	Resolva para x	12e^(6.8x)=8e^(3x)	$12 e^{6.8 x} = 8 e^{3 x}$
16077	Resolva para x	12x^5=1x^5	$12 x^{5} = 1 x^{5}$
16078	Resolva para x	12=9x+5-2x	$12 = 9 x + 5 - 2 x$
16079	Resolva para x	121(29/60)+13(9/60)=x	$121 (\frac{29}{60}) + 13 (\frac{9}{60}) = x$
16080	Resolva para x	-12x(7x-14)=5	$- 12 x (7 x - 14) = 5$
16081	Resolva para x	12x+8y=336	$12 x + 8 y = 336$
16082	Resolva para x	1-2x=9	$1 - 2 x = 9$
16083	Resolva para x	13x^2+9x-49=0	$13 x^{2} + 9 x - 49 = 0$
16084	Resolva para x	13=-3(2x+1)+7x	$13 = - 3 (2 x + 1) + 7 x$
16085	Resolva para x	13x=0	$13 x = 0$
16086	Resolva para x	14x^4-5x^2-1=0	$14 x^{4} - 5 x^{2} - 1 = 0$
16087	Resolva para x	14=3x+12	$14 = 3 x + 12$
16088	Resolva para x	140x=196	$140 x = 196$
16089	Resolva para x	14-3(2x+1)=5-4x	$14 - 3 (2 x + 1) = 5 - 4 x$
16090	Resolva para x	14-3x=2x+29	$14 - 3 x = 2 x + 29$
16091	Resolva para x	14x-11=13x+21	$14 x - 11 = 13 x + 21$
16092	Resolva para x	15(3-(2-2x))+5x=5(7x+5)-10	$15 (3 - (2 - 2 x)) + 5 x = 5 (7 x + 5) - 10$
16093	Resolva para x	15-1/15x=1/10x	$15 - \frac{1}{15} x = \frac{1}{10} x$
16094	Resolva para x	15=5(1.07)^(x*4)	$15 = 5 {(1.07)}^{x \cdot 4}$
16095	Resolva para x	15=x+7	$15 = x + 7$
16096	Resolva para x	15000-500x+4(x)^2=0	$15000 - 500 x + 4 {(x)}^{2} = 0$
16097	Resolva para x	150x+300y=5400	$150 x + 300 y = 5400$
16098	Resolva para x	153=3/2x+3	$153 = \frac{3}{2} x + 3$
16099	Resolva para x	15500=4(1+5.75/30000)^(30000*x)	$15500 = 4 {(1 + \frac{5.75}{30000})}^{30000 \cdot x}$
16100	Resolva para x	15x+30(x-5)=390	$15 x + 30 (x - 5) = 390$