Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
14401	Resolva para x	(-45+x)/4=-6	$\frac{- 45 + x}{4} = - 6$
14402	Resolva para x	450/4=x	$\frac{450}{4} = x$
14403	Resolva para x	(4x racine carrée de x^3-1-((3x^4)/( racine carrée de x^3-1)))/(x^3-1)=0	$\frac{4 x \sqrt{x^{3} - 1} - (\frac{3 x^{4}}{\sqrt{x^{3} - 1}})}{x^{3} - 1} = 0$
14404	Resolva para x	(4x+2)/9-(3x-5)/5=x	$\frac{4 x + 2}{9} - \frac{3 x - 5}{5} = x$
14405	Resolva para x	5/3+1/2=1/x	$\frac{5}{3} + \frac{1}{2} = \frac{1}{x}$
14406	Resolva para x	5/x=25/35	$\frac{5}{x} = \frac{25}{35}$
14407	Resolva para x	5^(2x)+3(5^x)=28	$5^{2 x} + 3 (5^{x}) = 28$
14408	Resolva para x	5^(2x-7)=5	$5^{2 x - 7} = 5$
14409	Resolva para x	5^(x-1)=6^x	$5^{x - 1} = 6^{x}$
14410	Resolva para x	7^(-x)=49^(x+3)	$7^{- x} = 49^{x + 3}$
14411	Resolva para x	76/100+88/100+72/100+x/200=x/4	$\frac{76}{100} + \frac{88}{100} + \frac{72}{100} + \frac{x}{200} = \frac{x}{4}$
14412	Resolva para x	(7x-8)/(1-5x)=(x-8)/(x+7)	$\frac{7 x - 8}{1 - 5 x} = \frac{x - 8}{x + 7}$
14413	Resolva para x	8^x* racine carrée de 2=4^x	$8^{x} \cdot \sqrt{2} = 4^{x}$
14414	Resolva para x	x/5-5=7	$\frac{x}{5} - 5 = 7$
14415	Resolva para x	x/6+x/5=11/30	$\frac{x}{6} + \frac{x}{5} = \frac{11}{30}$
14416	Resolva para x	x/(c-3)=cx+4	$\frac{x}{c - 3} = c x + 4$
14417	Resolva para x	x^(-2/3)+x^(-1/3)-56=0	$x^{\frac{- 2}{3}} + x^{\frac{- 1}{3}} - 56 = 0$
14418	Resolva para x	x^2(x+28)^2=52^2	$x^{2} {(x + 28)}^{2} = 52^{2}$
14419	Resolva para x	x^2-y^2=36	$x^{2} - y^{2} = 36$
14420	Resolva para x	x^2+(x-14)^2=0	$x^{2} + {(x - 14)}^{2} = 0$
14421	Resolva para x	x^2+y^2=2405	$x^{2} + y^{2} = 2405$
14422	Resolva para x	-x^2+6x-12=15	$- x^{2} + 6 x - 12 = 15$
14423	Resolva para x	x^2+80x-300=1200	$x^{2} + 80 x - 300 = 1200$
14424	Resolva para x	x^2-16x=-60	$x^{2} - 16 x = - 60$
14425	Resolva para x	x^2-3x+27=8x-3	$x^{2} - 3 x + 27 = 8 x - 3$
14426	Resolva para x	x^2-xy+3y^2=5	$x^{2} - x y + 3 y^{2} = 5$
14427	Resolva para x	x^2-y=1	$x^{2} - y = 1$
14428	Resolva para x	x^3+11x^2+31x+21=0	$x^{3} + 11 x^{2} + 31 x + 21 = 0$
14429	Resolva para x	x^3=-25	$x^{3} = - 25$
14430	Resolva para x	x^3-3x^2-13x+15=0	$x^{3} - 3 x^{2} - 13 x + 15 = 0$
14431	Resolva para x	-x^4+12x=0	$- x^{4} + 12 x = 0$
14432	Resolva para x	x^4+4x^3-11x^2-26x-12=0	$x^{4} + 4 x^{3} - 11 x^{2} - 26 x - 12 = 0$
14433	Resolva para x	x^6+28x^3+27=0	$x^{6} + 28 x^{3} + 27 = 0$
14434	Resolva para x	(x-16)/-8+(x+7)/7=x+5	$\frac{x - 16}{- 8} + \frac{x + 7}{7} = x + 5$
14435	Resolva para x	(x-2)/( racine carrée de 4x^2-19x+30)=1/3	$\frac{x - 2}{\sqrt{4 x^{2} - 19 x + 30}} = \frac{1}{3}$
14436	Resolva para x	0.052x+0.077(750000-x)=53000	$0.052 x + 0.077 (750000 - x) = 53000$
14437	Resolva para x	0.065(5000-x)=255	$0.065 (5000 - x) = 255$
14438	Resolva para x	0.08*20000+0.06x=5000	$0.08 \cdot 20000 + 0.06 x = 5000$
14439	Resolva para x	0.3=0.2^x+0.48^x+0.32^x	$0.3 = {0.2}^{x} + {0.48}^{x} + {0.32}^{x}$
14440	Resolva para x	0.3x-0.4=0.2x+7	$0.3 x - 0.4 = 0.2 x + 7$
14441	Resolva para x	-0.7x+0.1=-7.9+0.3x	$- 0.7 x + 0.1 = - 7.9 + 0.3 x$
14442	Resolva para x	0=(0.5)^x+4	$0 = {(0.5)}^{x} + 4$
14443	Resolva para x	0=1.6x-2.5	$0 = 1.6 x - 2.5$
14444	Resolva para x	0=2x-5	$0 = 2 x - 5$
14445	Resolva para X	100(1+X)=100e^r	$100 (1 + X) = 100 e^{r}$
14446	Resolva para x	1000=x^2+3x+2	$1000 = x^{2} + 3 x + 2$
14447	Resolva para x	10000=5000(1+(0.06/4))^(x(0.06))	$10000 = 5000 {(1 + (\frac{0.06}{4}))}^{x (0.06)}$
14448	Resolva para x	10=x(1+0.085/e)^e	$10 = x {(1 + \frac{0.085}{e})}^{e}$
14449	Resolva para x	105000(1+x)^12=170000	$105000 {(1 + x)}^{12} = 170000$
14450	Resolva para x	10x+20(7800-x)=119000	$10 x + 20 (7800 - x) = 119000$
14451	Resolva para x	10x+21(x-2)=268	$10 x + 21 (x - 2) = 268$
14452	Resolva para x	10x=3.9	$10 x = 3.9$
14453	Resolva para x	10x-6=4x+21+3	$10 x - 6 = 4 x + 21 + 3$
14454	Resolva para x	-12=3/17x	$- 12 = \frac{3}{17} x$
14455	Resolva para X	1254=660(1+0.18*X)	$1254 = 660 (1 + 0.18 \cdot X)$
14456	Resolva para x	12x+15x-9+5=-3x+5-9	$12 x + 15 x - 9 + 5 = - 3 x + 5 - 9$
14457	Resolva para x	12x-15y+3=0	$12 x - 15 y + 3 = 0$
14458	Resolva para x	13=90x140/360	$13 = 90 \cdot x \cdot \frac{140}{360}$
14459	Resolva para X	14 15/16-X=12 5/8	$14 \frac{15}{16} - X = 12 \frac{5}{8}$
14460	Resolva para x	14x+7(x+1)=21(x+1)-14	$14 x + 7 (x + 1) = 21 (x + 1) - 14$
14461	Resolva para x	15^x=30	$15^{x} = 30$
14462	Resolva para x	16^(x+3)=256^(x-4)	$16^{x + 3} = 256^{x - 4}$
14463	Resolva para x	18/x=12/28	$\frac{18}{x} = \frac{12}{28}$
14464	Resolva para x	(-1x)/6=8	$\frac{- 1 x}{6} = 8$
14465	Resolva para x	2^(2x)+128=24*2^x	$2^{2 x} + 128 = 24 \cdot 2^{x}$
14466	Resolva para x	2^(4x)=8^x+5	$2^{4 x} = 8^{x} + 5$
14467	Resolva para x	2^(4x)=8^(x+5)	$2^{4 x} = 8^{x + 5}$
14468	Resolva para x	2^(x-4)=8^2	$2^{x - 4} = 8^{2}$
14469	Resolva para x	25^2=5^2+x^2	$25^{2} = 5^{2} + x^{2}$
14470	Resolva para x	25^(2x)=125^(x-2)	$25^{2 x} = 125^{x - 2}$
14471	Resolva para x	(-2x)/3+(4x)/5=-7	$\frac{- 2 x}{3} + \frac{4 x}{5} = - 7$
14472	Resolva para x	1/4x-3=2/5	$\frac{1}{4} x - 3 = \frac{2}{5}$
14473	Resolva para x	1/5*(5x-9)=3	$\frac{1}{5} \cdot (5 x - 9) = 3$
14474	Resolva para x	1/6x-1/7x+1/42x=6	$\frac{1}{6} x - \frac{1}{7} x + \frac{1}{42} x = 6$
14475	Resolva para x	1/7 = racine septième de 49^(x-1)	$\frac{1}{7} = \sqrt[7]{49^{x - 1}}$
14476	Resolva para x	1/8=4^(7x+5)	$\frac{1}{8} = 4^{7 x + 5}$
14477	Resolva para x	1/9(x2)/3=1-x/2	$\frac{1}{9} \cdot \frac{x \cdot 2}{3} = 1 - \frac{x}{2}$
14478	Resolva para x	1/j+1/w=1/x	$\frac{1}{j} + \frac{1}{w} = \frac{1}{x}$
14479	Resolva para x	1/x+1/(2x)=1/24	$\frac{1}{x} + \frac{1}{2 x} = \frac{1}{24}$
14480	Resolva para x	1/(x+5)+1/x=1/15	$\frac{1}{x + 5} + \frac{1}{x} = \frac{1}{15}$
14481	Resolva para x	10/3=-4/9x	$\frac{10}{3} = - \frac{4}{9} x$
14482	Resolva para x	10^(9-3x)=10^(8x-3)	$10^{9 - 3 x} = 10^{8 x - 3}$
14483	Resolva para x	10^(2x-1)=0.25	$10^{2 x - 1} = 0.25$
14484	Resolva para x	10^x=143.7	$10^{x} = 143.7$
14485	Resolva para x	11.3^(2x-1)=15.7	${11.3}^{2 x - 1} = 15.7$
14486	Resolva para x	128^x=8	$128^{x} = 8$
14487	Resolva para x	13/16x+3/8=-3/4	$\frac{13}{16} x + \frac{3}{8} = - \frac{3}{4}$
14488	Resolva para x	14/x=-5	$\frac{14}{x} = - 5$
14489	Resolva para x	15/20.9=x	$\frac{15}{20.9} = x$
14490	Resolva para x	(x+5)^(2/3)=49	${(x + 5)}^{\frac{2}{3}} = 49$
14491	Resolva para x	(x-2)^2-44=0	${(x - 2)}^{2} - 44 = 0$
14492	Resolva para x	(x-5)^2+5(x-5)+6=0	${(x - 5)}^{2} + 5 (x - 5) + 6 = 0$
14493	Resolva para x	((x-5)^2)/4+((y+2)^2)/9=1	$\frac{{(x - 5)}^{2}}{4} + \frac{{(y + 2)}^{2}}{9} = 1$
14494	Resolva para x	(8^2)/(2^x)=4	$\frac{8^{2}}{2^{x}} = 4$
14495	Resolva para x	(x^2)/(3.410^-3)=1.410^-4	$\frac{x^{2}}{3.4 \cdot 10^{- 3}} = 1.4 \cdot 10^{- 4}$
14496	Resolva para x	\|(7x-10)/8\|=7x+1	$\| \frac{7 x - 10}{8} \| = 7 x + 1$
14497	Resolva para x	\|10x-10\|=4	$\| 10 x - 10 \| = 4$
14498	Resolva para x	\|2x-3\|=6-x	$\| 2 x - 3 \| = 6 - x$
14499	Resolva para x	\|5x\|=28.5	$\| 5 x \| = 28.5$
14500	Resolva para x	\|5x-1\|=\|10x+17\|	$\| 5 x - 1 \| = \| 10 x + 17 \|$