Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
16201	Resolva para x	0.4=-12/(5x)	$0.4 = - \frac{12}{5 x}$
16202	Resolva para x	0.5e^(-0.5x)=10^-5	$0.5 e^{- 0.5 x} = 10^{- 5}$
16203	Resolva para x	0.5x-0.2=0.4x+3	$0.5 x - 0.2 = 0.4 x + 3$
16204	Resolva para x	0.5x-0.3=0.4x+6	$0.5 x - 0.3 = 0.4 x + 6$
16205	Resolva para x	0.5x-12=1.3x-16	$0.5 x - 12 = 1.3 x - 16$
16206	Resolva para x	-0.60x=0.098	$- 0.6 x = 0.098$
16207	Resolva para x	0.6x-0.1=0.5x+4	$0.6 x - 0.1 = 0.5 x + 4$
16208	Resolva para x	0.75x^2-x+400=8.75	$0.75 x^{2} - x + 400 = 8.75$
16209	Resolva para x	-0.7x(x-11)=1.8x+5.4	$- 0.7 x (x - 11) = 1.8 x + 5.4$
16210	Resolva para x	0.7x+12.4-0.4x=15.5	$0.7 x + 12.4 - 0.4 x = 15.5$
16211	Resolva para x	-0.8x(x-9)=1.4x+5.3	$- 0.8 x (x - 9) = 1.4 x + 5.3$
16212	Resolva para x	0.8x-1=2.3x-16	$0.8 x - 1 = 2.3 x - 16$
16213	Resolva para x	0.9x-0.2y=-0.08	$0.9 x - 0.2 y = - 0.08$
16214	Resolva para x	0+6+x=15	$0 + 6 + x = 15$
16215	Resolva para x	0=(x+1)(x-1)	$0 = (x + 1) (x - 1)$
16216	Resolva para x	0=-1/7+x/3*(36+x^2)^(-1/2)	$0 = - \frac{1}{7} + \frac{x}{3} \cdot {(36 + x^{2})}^{- \frac{1}{2}}$
16217	Resolva para x	0=1.3x^2+1.4+3.7	$0 = 1.3 x^{2} + 1.4 + 3.7$
16218	Resolva para x	0=2.0x+77.82x-660.14	$0 = 2 x + 77.82 x - 660.14$
16219	Resolva para x	0=360000-1500x	$0 = 360000 - 1500 x$
16220	Resolva para x	1.065=(1+x/4)^4	$1.065 = {(1 + \frac{x}{4})}^{4}$
16221	Resolva para x	1.2=1.2x+36	$1.2 = 1.2 x + 36$
16222	Resolva para x	1.28=(x-27)/2	$1.28 = \frac{x - 27}{2}$
16223	Resolva para x	1.33sin(25.0)=1.50sin(x)	$1.33 \sin (25) = 1.5 \sin (x)$
16224	Resolva para x	1.50x=25+0.50x	$1.5 x = 25 + 0.5 x$
16225	Resolva para x	1.75=100e^(-x/2)	$1.75 = 100 e^{- \frac{x}{2}}$
16226	Resolva para x	5^(2x)+5^(x+1)-24=0	$5^{2 x} + 5^{x + 1} - 24 = 0$
16227	Resolva para x	5^4=25^(2x)	$5^{4} = 25^{2 x}$
16228	Resolva para x	5^(7x)=625	$5^{7 x} = 625$
16229	Resolva para x	5^x=10^(c(x))	$5^{x} = 10^{c (x)}$
16230	Resolva para x	5^x=43	$5^{x} = 43$
16231	Resolva para x	5000000/6000=(1+x)^2	$\frac{5000000}{6000} = {(1 + x)}^{2}$
16232	Resolva para x	5000000/7000=(1+x)	$\frac{5000000}{7000} = (1 + x)$
16233	Resolva para x	54^x=49897	$54^{x} = 49897$
16234	Resolva para x	(5x)/9-1/5=1-3/5*(x-1/15)	$\frac{5 x}{9} - \frac{1}{5} = 1 - \frac{3}{5} \cdot (x - \frac{1}{15})$
16235	Resolva para x	6/(x^2-2x)=1/x+(x+1)/(x-2)	$\frac{6}{x^{2} - 2 x} = \frac{1}{x} + \frac{x + 1}{x - 2}$
16236	Resolva para x	6/(3(x-6))-3=2/(x-6)	$\frac{6}{3 (x - 6)} - 3 = \frac{2}{x - 6}$
16237	Resolva para x	6/7=x-6/14	$\frac{6}{7} = x - \frac{6}{14}$
16238	Resolva para x	-6/x=-9/(x-1)	$\frac{- 6}{x} = \frac{- 9}{x - 1}$
16239	Resolva para x	6^(3x+2)=7^(x-2)	$6^{3 x + 2} = 7^{x - 2}$
16240	Resolva para x	6^(2x)=6^6	$6^{2 x} = 6^{6}$
16241	Resolva para x	6^3=x	$6^{3} = x$
16242	Resolva para x	6^(3x+5)=814	$6^{3 x + 5} = 814$
16243	Resolva para x	6^(-7x)=216	$6^{- 7 x} = 216$
16244	Resolva para x	6^x=10	$6^{x} = 10$
16245	Resolva para x	612/x=15/100	$\frac{612}{x} = \frac{15}{100}$
16246	Resolva para x	(62.9298*0.6909+0.3091x)/100=63.546	$\frac{62.9298 \cdot 0.6909 + 0.3091 x}{100} = 63.546$
16247	Resolva para x	64^(4x)=16^(x+2)	$64^{4 x} = 16^{x + 2}$
16248	Resolva para x	7/(1/4)=28/x	$\frac{7}{\frac{1}{4}} = \frac{28}{x}$
16249	Resolva para x	7/(x^2-x)=1/(x^2-1)	$\frac{7}{x^{2} - x} = \frac{1}{x^{2} - 1}$
16250	Resolva para x	7/(x^2-x-2)+1/(x+1)=3/(x-2)	$\frac{7}{x^{2} - x - 2} + \frac{1}{x + 1} = \frac{3}{x - 2}$
16251	Resolva para x	7/10x=21	$\frac{7}{10} x = 21$
16252	Resolva para x	7/11=13/x	$\frac{7}{11} = \frac{13}{x}$
16253	Resolva para x	3^(x+1)=5^(x-1)	$3^{x + 1} = 5^{x - 1}$
16254	Resolva para x	3^(x+3)=1/(27^(3x))	$3^{x + 3} = \frac{1}{27^{3 x}}$
16255	Resolva para x	3^(x+3)=2^x	$3^{x + 3} = 2^{x}$
16256	Resolva para x	(34000+0.03x)/(34000+x)=0.04	$\frac{34000 + 0.03 x}{34000 + x} = 0.04$
16257	Resolva para x	(3x)/2+x/4=7	$\frac{3 x}{2} + \frac{x}{4} = 7$
16258	Resolva para x	(-3x-1)/2=4	$\frac{- 3 x - 1}{2} = 4$
16259	Resolva para X	(3x-2)/4-(x-2)/3=(2x-1)/6	$\frac{3 x - 2}{4} - \frac{x - 2}{3} = \frac{2 x - 1}{6}$
16260	Resolva para x	(3x-2y)/(2x-3y)=6/-6	$\frac{3 x - 2 y}{2 x - 3 y} = \frac{6}{- 6}$
16261	Resolva para x	4/(x^2-1)+1=(2x)/(x-1)	$\frac{4}{x^{2} - 1} + 1 = \frac{2 x}{x - 1}$
16262	Resolva para x	-4/1=x/-2	$\frac{- 4}{1} = \frac{x}{- 2}$
16263	Resolva para x	4/20=x/10	$\frac{4}{20} = \frac{x}{10}$
16264	Resolva para x	4/7-2/5=x/25	$\frac{4}{7} - \frac{2}{5} = \frac{x}{25}$
16265	Resolva para x	4/x=8	$\frac{4}{x} = 8$
16266	Resolva para x	4/(x+1)-2/(x-1)=3/((x+1)(x-1))	$\frac{4}{x + 1} - \frac{2}{x - 1} = \frac{3}{(x + 1) (x - 1)}$
16267	Resolva para x	4/(x+4)+2/(x+5)=18/((x+4)(x-5))	$\frac{4}{x + 4} + \frac{2}{x + 5} = \frac{18}{(x + 4) (x - 5)}$
16268	Resolva para x	4/(x-1)+3/(x+1)=3	$\frac{4}{x - 1} + \frac{3}{x + 1} = 3$
16269	Resolva para x	4^(1-7x)=5x	$4^{1 - 7 x} = 5 x$
16270	Resolva para x	4^(2x-2)=256	$4^{2 x - 2} = 256$
16271	Resolva para x	4^(3x-1)=3^(x-2)	$4^{3 x - 1} = 3^{x - 2}$
16272	Resolva para x	4^(9x-5)=16	$4^{9 x - 5} = 16$
16273	Resolva para x	4^(x-3)=18	$4^{x - 3} = 18$
16274	Resolva para x	48/x=40/6	$\frac{48}{x} = \frac{40}{6}$
16275	Resolva para x	(2x+7)/5=32	$\frac{2 x + 7}{5} = 32$
16276	Resolva para x	(2x+b)/(3a-b)=(x-a)/(b-3a)	$\frac{2 x + b}{3 a - b} = \frac{x - a}{b - 3 a}$
16277	Resolva para x	(2x-1)/4+(x+2)/3=2	$\frac{2 x - 1}{4} + \frac{x + 2}{3} = 2$
16278	Resolva para x	-(2x-1)/(x+3)=0	$- \frac{2 x - 1}{x + 3} = 0$
16279	Resolva para x	(2x-1)/(x-3)=4+5/(x-3)	$\frac{2 x - 1}{x - 3} = 4 + \frac{5}{x - 3}$
16280	Resolva para x	(2x-3)/4+x=(2x+3)/2+9	$\frac{2 x - 3}{4} + x = \frac{2 x + 3}{2} + 9$
16281	Resolva para x	(2x-6)/3=1	$\frac{2 x - 6}{3} = 1$
16282	Resolva para x	3/2*(x+4)+2x-3=10	$\frac{3}{2} \cdot (x + 4) + 2 x - 3 = 10$
16283	Resolva para x	3/2x-1/4z=1	$\frac{3}{2} x - \frac{1}{4} z = 1$
16284	Resolva para x	3/2x+0.9=3/5+0.6x	$\frac{3}{2} x + 0.9 = \frac{3}{5} + 0.6 x$
16285	Resolva para x	3/(2x-5)=-1	$\frac{3}{2 x - 5} = - 1$
16286	Resolva para x	3/4*\|8x-12\|=6(x-1)	$\frac{3}{4} \cdot \| 8 x - 12 \| = 6 (x - 1)$
16287	Resolva para x	3/4x-9=27	$\frac{3}{4} x - 9 = 27$
16288	Resolva para x	3/5*(4/5x-1/2)=-3/4	$\frac{3}{5} \cdot (\frac{4}{5} x - \frac{1}{2}) = - \frac{3}{4}$
16289	Resolva para x	-3/5x=3y-2	$- \frac{3}{5} x = 3 y - 2$
16290	Resolva para x	-3/7=9/x	$- \frac{3}{7} = \frac{9}{x}$
16291	Resolva para x	3/x+2=3/(5x)+21/10	$\frac{3}{x} + 2 = \frac{3}{5 x} + \frac{21}{10}$
16292	Resolva para x	3/(x+4)-7=-4/(x+4)*(x-4)	$\frac{3}{x + 4} - 7 = \frac{- 4}{x + 4} \cdot (x - 4)$
16293	Resolva para x	3/(x-1)+4/x=2	$\frac{3}{x - 1} + \frac{4}{x} = 2$
16294	Resolva para x	3^(x/4)=2	$3^{\frac{x}{4}} = 2$
16295	Resolva para x	3^(1.2x)=5^(x+5)	$3^{1.2 x} = 5^{x + 5}$
16296	Resolva para x	3^(4x-1)=27	$3^{4 x - 1} = 27$
16297	Resolva para x	3^(-5x)=27	$3^{- 5 x} = 27$
16298	Resolva para x	(2x)/3-1=(x-2)/2	$\frac{2 x}{3} - 1 = \frac{x - 2}{2}$
16299	Resolva para x	(-2x)/3+50=(-16x)/19+1050/19	$\frac{- 2 x}{3} + 50 = \frac{- 16 x}{19} + \frac{1050}{19}$
16300	Resolva para x	(2x)/(3-c)=ax+1	$\frac{2 x}{3 - c} = a x + 1$