Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
16101	Resolva para x	15x=50	$15 x = 50$
16102	Resolva para x	16(5^x)-x^2*5^x=0	$16 (5^{x}) - x^{2} \cdot 5^{x} = 0$
16103	Resolva para x	16(x+3)=4(4x+3)+36	$16 (x + 3) = 4 (4 x + 3) + 36$
16104	Resolva para x	16x^4=1	$16 x^{4} = 1$
16105	Resolva para x	-16+6e^x=12	$- 16 + 6 e^{x} = 12$
16106	Resolva para x	160=3.9x+111.8	$160 = 3.9 x + 111.8$
16107	Resolva para x	1600x=65000+1100x	$1600 x = 65000 + 1100 x$
16108	Resolva para x	160x=4200+30x+x^2	$160 x = 4200 + 30 x + x^{2}$
16109	Resolva para x	16x=1.70x+55000	$16 x = 1.7 x + 55000$
16110	Resolva para x	16x-22=22x+2	$16 x - 22 = 22 x + 2$
16111	Resolva para x	16y=24x-24	$16 y = 24 x - 24$
16112	Resolva para x	17- racine carrée de x-9=0	$17 - \sqrt{x - 9} = 0$
16113	Resolva para x	181((1+(x/12)^360-1)/(x/12))=192897	$181 (\frac{1 + {(\frac{x}{12})}^{360} - 1}{\frac{x}{12}}) = 192897$
16114	Resolva para x	18100+500x=28100-750x	$18100 + 500 x = 28100 - 750 x$
16115	Resolva para x	18522x^3+11907x^2-2037x-864=0	$18522 x^{3} + 11907 x^{2} - 2037 x - 864 = 0$
16116	Resolva para x	18-7+x=7+7-2	$18 - 7 + x = 7 + 7 - 2$
16117	Resolva para x	18x(21820)=940	$18 x (21820) = 940$
16118	Resolva para x	x^2-11x+30=787272	$x^{2} - 11 x + 30 = 787272$
16119	Resolva para x	x^2-12x+y+40=0	$x^{2} - 12 x + y + 40 = 0$
16120	Resolva para x	x^2-15x=10^2	$x^{2} - 15 x = 10^{2}$
16121	Resolva para x	x^2-16x-17=0	$x^{2} - 16 x - 17 = 0$
16122	Resolva para x	x^2-2 racine carrée de 5x+5=0	$x^{2} - 2 \sqrt{5} x + 5 = 0$
16123	Resolva para x	x^2-21x+104=0	$x^{2} - 21 x + 104 = 0$
16124	Resolva para x	x^2-28=0	$x^{2} - 28 = 0$
16125	Resolva para x	x/3=1/5	$\frac{x}{3} = \frac{1}{5}$
16126	Resolva para x	x/300=500/45	$\frac{x}{300} = \frac{500}{45}$
16127	Resolva para x	x/4-x/5=3/4	$\frac{x}{4} - \frac{x}{5} = \frac{3}{4}$
16128	Resolva para x	x^2+x-1056=0	$x^{2} + x - 1056 = 0$
16129	Resolva para x	x^2=-125	$x^{2} = - 125$
16130	Resolva para x	x^2=245	$x^{2} = 245$
16131	Resolva para x	x^2=40	$x^{2} = 40$
16132	Resolva para x	x/2=99/5-9x	$\frac{x}{2} = \frac{99}{5} - 9 x$
16133	Resolva para x	x/2-2=7/2	$\frac{x}{2} - 2 = \frac{7}{2}$
16134	Resolva para x	x/2-8=x/5	$\frac{x}{2} - 8 = \frac{x}{5}$
16135	Resolva para x	x/22=1/11	$\frac{x}{22} = \frac{1}{11}$
16136	Resolva para x	racine carrée de 5x-2=10	$\sqrt{5 x - 2} = 10$
16137	Resolva para x	racine carrée de 5x-4-9=0	$\sqrt{5 x - 4} - 9 = 0$
16138	Resolva para x	racine carrée de 5x-6=x	$\sqrt{5 x - 6} = x$
16139	Resolva para x	racine carrée de 2x-5=3	$\sqrt{2 x - 5} = 3$
16140	Resolva para x	racine carrée de 3x-2=2	$\sqrt{3 x - 2} = 2$
16141	Resolva para x	racine carrée de 3-x-x=3	$\sqrt{3 - x - x} = 3$
16142	Resolva para x	racine carrée de 4x-21=1	$\sqrt{4 x - 21} = 1$
16143	Resolva para x	(4x-y)/(3x+4y)=12/28	$\frac{4 x - y}{3 x + 4 y} = \frac{12}{28}$
16144	Resolva para x	5/6x-3+1/3x=5/18x+1/6	$\frac{5}{6} x - 3 + \frac{1}{3} x = \frac{5}{18} x + \frac{1}{6}$
16145	Resolva para x	5/8=6/x	$\frac{5}{8} = \frac{6}{x}$
16146	Resolva para x	-5/9x+16/9=2/6x+4/3	$- \frac{5}{9} x + \frac{16}{9} = \frac{2}{6} x + \frac{4}{3}$
16147	Resolva para x	5/(x-1)+2/(x+1)=6/(x^(2-1))	$\frac{5}{x - 1} + \frac{2}{x + 1} = \frac{6}{x^{2 - 1}}$
16148	Resolva para x	49/2=(2)*(16x^2)	$\frac{49}{2} = (2) \cdot (16 x^{2})$
16149	Resolva para x	49^x=7^(2+x)	$49^{x} = 7^{2 + x}$
16150	Resolva para x	(4x)/9-1/4=1-3/4*(x-1/2)	$\frac{4 x}{9} - \frac{1}{4} = 1 - \frac{3}{4} \cdot (x - \frac{1}{2})$
16151	Resolva para x	(4x)/(x+2)-8/(x-2)=(4x^2+16)/(x^2-4)	$\frac{4 x}{x + 2} - \frac{8}{x - 2} = \frac{4 x^{2} + 16}{x^{2} - 4}$
16152	Resolva para x	(4x+10)/(x+10)=2	$\frac{4 x + 10}{x + 10} = 2$
16153	Resolva para x	3^x=31	$3^{x} = 31$
16154	Resolva para x	x^2-4x=-2x+24	$x^{2} - 4 x = - 2 x + 24$
16155	Resolva para x	x^2-6x=55	$x^{2} - 6 x = 55$
16156	Resolva para x	x^2-79=x+6	$x^{2} - 79 = x + 6$
16157	Resolva para x	x^2-7x=x-14	$x^{2} - 7 x = x - 14$
16158	Resolva para x	x^2-95x+1200=0	$x^{2} - 95 x + 1200 = 0$
16159	Resolva para x	x^2-x-8=0	$x^{2} - x - 8 = 0$
16160	Resolva para x	x^(2-1)=86	$x^{2 - 1} = 86$
16161	Resolva para x	x^(2-81)=0	$x^{2 - 81} = 0$
16162	Resolva para x	x^3-x^2-16x+16=0	$x^{3} - x^{2} - 16 x + 16 = 0$
16163	Resolva para x	x^3+x^2-x-1=0	$x^{3} + x^{2} - x - 1 = 0$
16164	Resolva para x	x^3+10x^2+2x-12=0	$x^{3} + 10 x^{2} + 2 x - 12 = 0$
16165	Resolva para x	x^3+9x^2-10x=0	$x^{3} + 9 x^{2} - 10 x = 0$
16166	Resolva para x	x^3-12x-16=0	$x^{3} - 12 x - 16 = 0$
16167	Resolva para x	x^3-2x+1=0	$x^{3} - 2 x + 1 = 0$
16168	Resolva para x	x^3-3x^2-30x+20=0	$x^{3} - 3 x^{2} - 30 x + 20 = 0$
16169	Resolva para x	x^3-343=0	$x^{3} - 343 = 0$
16170	Resolva para x	x^3-7x^2+6x+20=0	$x^{3} - 7 x^{2} + 6 x + 20 = 0$
16171	Resolva para x	x^4-19^(x^2)+18=0	$x^{4} - 19^{x^{2}} + 18 = 0$
16172	Resolva para x	x^4+x^3=30x^2	$x^{4} + x^{3} = 30 x^{2}$
16173	Resolva para x	x^4+4x^3-19x^2+46x+120=0	$x^{4} + 4 x^{3} - 19 x^{2} + 46 x + 120 = 0$
16174	Resolva para x	x^4+9x^2+20=0	$x^{4} + 9 x^{2} + 20 = 0$
16175	Resolva para x	x^4-1=16	$x^{4} - 1 = 16$
16176	Resolva para x	x^4-34x^2=-225	$x^{4} - 34 x^{2} = - 225$
16177	Resolva para x	x^6-729=0	$x^{6} - 729 = 0$
16178	Resolva para x	(x+1)/(x-1)=3/4	$\frac{x + 1}{x - 1} = \frac{3}{4}$
16179	Resolva para x	(x+y)/(x-y)=-4/2	$\frac{x + y}{x - y} = \frac{- 4}{2}$
16180	Resolva para x	(x-2)/x+(x-2)/2=5/(2x)	$\frac{x - 2}{x} + \frac{x - 2}{2} = \frac{5}{2 x}$
16181	Resolva para x	(x-3)/(x+3)+(x+3)/(x-3)=34/15	$\frac{x - 3}{x + 3} + \frac{x + 3}{x - 3} = \frac{34}{15}$
16182	Resolva para x	(x-3)/(x+3)=3/5	$\frac{x - 3}{x + 3} = \frac{3}{5}$
16183	Resolva para x	(x-3)/(x-1)=(x-3)/(x+5)	$\frac{x - 3}{x - 1} = \frac{x - 3}{x + 5}$
16184	Resolva para x	(x-4)/(x/2-3/2)=(5-x)/(2-x/2)	$\frac{x - 4}{\frac{x}{2} - \frac{3}{2}} = \frac{5 - x}{2 - \frac{x}{2}}$
16185	Resolva para x	(x-5)/18=4/3	$\frac{x - 5}{18} = \frac{4}{3}$
16186	Resolva para x	(x-6)/(x^2-4)=(-(x-1))/(x-2)	$\frac{x - 6}{x^{2} - 4} = \frac{- (x - 1)}{x - 2}$
16187	Resolva para x	(x-8)/(2x)+4=(x+3)/x	$\frac{x - 8}{2 x} + 4 = \frac{x + 3}{x}$
16188	Resolva para x	y=(2425.01(1-(1+0.11)^(-(12-x))))/(0.11/2)	$y = \frac{2425.01 (1 - {(1 + 0.11)}^{- (12 - x)})}{\frac{0.11}{2}}$
16189	Resolva para x	0.000175x+1.0075=0.0007x-3.14	$0.000175 x + 1.0075 = 0.0007 x - 3.14$
16190	Resolva para x	0.000225x+0.66=-0.0009+9.3	$0.000225 x + 0.66 = - 0.0009 + 9.3$
16191	Resolva para x	0.05=0.08x+0.15(0.05-x)	$0.05 = 0.08 x + 0.15 (0.05 - x)$
16192	Resolva para x	-0.05x+6.4=0	$- 0.05 x + 6.4 = 0$
16193	Resolva para x	0.08x+0.15(0.05)=0.05	$0.08 x + 0.15 (0.05) = 0.05$
16194	Resolva para x	0.08x-0.10x=-23	$0.08 x - 0.1 x = - 23$
16195	Resolva para x	0.09x+0.25(0.5-x)=0.09	$0.09 x + 0.25 (0.5 - x) = 0.09$
16196	Resolva para x	0.10(x+80)+0.20x=8+0.30x	$0.1 (x + 80) + 0.2 x = 8 + 0.3 x$
16197	Resolva para x	0.15x+0.05(60000-x)=6000	$0.15 x + 0.05 (60000 - x) = 6000$
16198	Resolva para x	0.15x+0.10(260-x)=29.75	$0.15 x + 0.1 (260 - x) = 29.75$
16199	Resolva para x	0.22(x+7)=0.2x+4.8	$0.22 (x + 7) = 0.2 x + 4.8$
16200	Resolva para x	0.28+0.006x=0.79	$0.28 + 0.006 x = 0.79$