Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
8101	Resolva para x	-1/6(x-12)+1/2(x+2)=x+3	$- \frac{1}{6} \cdot (x - 12) + \frac{1}{2} \cdot (x + 2) = x + 3$
8102	Resolva para x	1/6-1/3x=2/3	$\frac{1}{6} - \frac{1}{3} x = \frac{2}{3}$
8103	Resolva para x	1/2x+1/2x=x+1	$\frac{1}{2} x + \frac{1}{2} x = x + 1$
8104	Resolva para x	1/3x-1/15=1/3	$\frac{1}{3} x - \frac{1}{15} = \frac{1}{3}$
8105	Resolva para x	-1/3*(x-9)=-1	$- \frac{1}{3} \cdot (x - 9) = - 1$
8106	Resolva para x	1/3x-1/6=1/3	$\frac{1}{3} x - \frac{1}{6} = \frac{1}{3}$
8107	Resolva para x	1/3x+1/2=1	$\frac{1}{3} x + \frac{1}{2} = 1$
8108	Resolva para x	-1/3x+1=-1	$- \frac{1}{3} x + 1 = - 1$
8109	Resolva para x	-1/3x+1=-7	$- \frac{1}{3} x + 1 = - 7$
8110	Resolva para x	-1/2x-7=-11	$- \frac{1}{2} x - 7 = - 11$
8111	Resolva para x	1/2x=0	$\frac{1}{2} x = 0$
8112	Resolva para x	1/3*(6x-12)=0	$\frac{1}{3} \cdot (6 x - 12) = 0$
8113	Resolva para x	1/3x+2/5=1/15	$\frac{1}{3} x + \frac{2}{5} = \frac{1}{15}$
8114	Resolva para x	1/2(5x+4)-1/3(x+7)=4	$\frac{1}{2} \cdot (5 x + 4) - \frac{1}{3} \cdot (x + 7) = 4$
8115	Resolva para x	1/3x+0.5=-17.8	$\frac{1}{3} x + 0.5 = - 17.8$
8116	Resolva para x	1/3x=8/15x+2/5	$\frac{1}{3} x = \frac{8}{15} x + \frac{2}{5}$
8117	Resolva para x	1/3x-4=3/4x+1	$\frac{1}{3} x - 4 = \frac{3}{4} x + 1$
8118	Resolva para x	1/4(13+6)=1/3(7x-1)	$\frac{1}{4} \cdot (13 + 6) = \frac{1}{3} \cdot (7 x - 1)$
8119	Resolva para x	1/4x-1/12=1/4	$\frac{1}{4} x - \frac{1}{12} = \frac{1}{4}$
8120	Resolva para x	1/4x-1/20=1/4	$\frac{1}{4} x - \frac{1}{20} = \frac{1}{4}$
8121	Resolva para x	1/3x=6	$\frac{1}{3} x = 6$
8122	Resolva para x	1/(3x)+8/x=10	$\frac{1}{3 x} + \frac{8}{x} = 10$
8123	Resolva para x	1/4=x/12	$\frac{1}{4} = \frac{x}{12}$
8124	Resolva para x	1/4x=1/2	$\frac{1}{4} x = \frac{1}{2}$
8125	Resolva para x	\|x-7\|=16	$\| x - 7 \| = 16$
8126	Resolva para x	1/10+x=3/10	$\frac{1}{10} + x = \frac{3}{10}$
8127	Resolva para x	-1/10=x-3/8	$- \frac{1}{10} = x - \frac{3}{8}$
8128	Resolva para x	1/(42^2)=1/(4x)+5/(4x^2)	$\frac{1}{42^{2}} = \frac{1}{4 x} + \frac{5}{4 x^{2}}$
8129	Resolva para x	\|x-8\|+26=15	$\| x - 8 \| + 26 = 15$
8130	Resolva para x	\|x-1\|+25=11	$\| x - 1 \| + 25 = 11$
8131	Resolva para x	\|x-4\|=8	$\| x - 4 \| = 8$
8132	Resolva para x	\|x-9\|=3	$\| x - 9 \| = 3$
8133	Resolva para x	1/2*(x+6)=3/2x-1	$\frac{1}{2} \cdot (x + 6) = \frac{3}{2} x - 1$
8134	Resolva para x	1/10x-5=8/15x-7/10	$\frac{1}{10} x - 5 = \frac{8}{15} x - \frac{7}{10}$
8135	Resolva para x	1/12=1/30+1/x	$\frac{1}{12} = \frac{1}{30} + \frac{1}{x}$
8136	Resolva para x	1/2=41/(2/x)	$\frac{1}{2} = \frac{41}{\frac{2}{x}}$
8137	Resolva para x	1/2(6x-10)=1/3(15x-9)	$\frac{1}{2} \cdot (6 x - 10) = \frac{1}{3} \cdot (15 x - 9)$
8138	Resolva para x	1/2x-1/3=2/3	$\frac{1}{2} x - \frac{1}{3} = \frac{2}{3}$
8139	Resolva para x	1/2x+2=14	$\frac{1}{2} x + 2 = 14$
8140	Resolva para x	\|2x-4\|=\|3x-7\|	$\| 2 x - 4 \| = \| 3 x - 7 \|$
8141	Resolva para x	\|4x-1\|=2	$\| 4 x - 1 \| = 2$
8142	Resolva para x	\|4x-3\|=4	$\| 4 x - 3 \| = 4$
8143	Resolva para x	\|6x\|=42	$\| 6 x \| = 42$
8144	Resolva para x	\|7-3x\|=6	$\| 7 - 3 x \| = 6$
8145	Resolva para x	\|2x-5\|=\|9x+7\|	$\| 2 x - 5 \| = \| 9 x + 7 \|$
8146	Resolva para x	\|x\|+3=13	$\| x \| + 3 = 13$
8147	Resolva para x	\|6x+3\|=15	$\| 6 x + 3 \| = 15$
8148	Resolva para x	\|6x-3\|=9	$\| 6 x - 3 \| = 9$
8149	Resolva para x	\|x+3\|-4=6	$\| x + 3 \| - 4 = 6$
8150	Resolva para x	\|x+2\|=\|9-x\|	$\| x + 2 \| = \| 9 - x \|$
8151	Resolva para x	\|x+4\|=0	$\| x + 4 \| = 0$
8152	Resolva para x	\|x+6\|=0	$\| x + 6 \| = 0$
8153	Resolva para x	11/7=x/8	$\frac{11}{7} = \frac{x}{8}$
8154	Resolva para x	1/(x-2)-2/(x^2-2x)=3	$\frac{1}{x - 2} - \frac{2}{x^{2} - 2 x} = 3$
8155	Resolva para x	117/26=52/x	$\frac{117}{26} = \frac{52}{x}$
8156	Resolva para x	100/(x^2-25)+1=(2x)/(x-5)	$\frac{100}{x^{2} - 25} + 1 = \frac{2 x}{x - 5}$
8157	Resolva para x	10/(x(x-2))+4/x=5/(x-2)	$\frac{10}{x (x - 2)} + \frac{4}{x} = \frac{5}{x - 2}$
8158	Resolva para x	1/x+1/(x+4)=1/2.1	$\frac{1}{x} + \frac{1}{x + 4} = \frac{1}{2.1}$
8159	Resolva para x	1/(x-1)+5=11/(x-1)	$\frac{1}{x - 1} + 5 = \frac{11}{x - 1}$
8160	Resolva para x	-11/20=x-15/16	$- \frac{11}{20} = x - \frac{15}{16}$
8161	Resolva para x	1/a=1/x+1/b	$\frac{1}{a} = \frac{1}{x} + \frac{1}{b}$
8162	Resolva para x	1/(x+9)+18/(x^2-81)=1	$\frac{1}{x + 9} + \frac{18}{x^{2} - 81} = 1$
8163	Resolva para x	1/(x-2)=3/(x+2)-(6x)/(x^2-4)	$\frac{1}{x - 2} = \frac{3}{x + 2} - \frac{6 x}{x^{2} - 4}$
8164	Resolva para x	1/(x-5)-5/(x^2-5x)=3	$\frac{1}{x - 5} - \frac{5}{x^{2} - 5 x} = 3$
8165	Resolva para x	10/20*12=x	$\frac{10}{20} \cdot 12 = x$
8166	Resolva para x	10/x=35/(x-5)	$\frac{10}{x} = \frac{35}{x - 5}$
8167	Resolva para x	14/x=7/12	$\frac{14}{x} = \frac{7}{12}$
8168	Resolva para x	15/100=x/500	$\frac{15}{100} = \frac{x}{500}$
8169	Resolva para x	16/13=x/78	$\frac{16}{13} = \frac{x}{78}$
8170	Resolva para x	15^2+x^2=25^2	$15^{2} + x^{2} = 25^{2}$
8171	Resolva para x	16/(x-3)=10/x	$\frac{16}{x - 3} = \frac{10}{x}$
8172	Resolva para x	12/x=22/(x-5)	$\frac{12}{x} = \frac{22}{x - 5}$
8173	Resolva para x	(-12+x)/11=-3	$\frac{- 12 + x}{11} = - 3$
8174	Resolva para x	13/15x-7/9=-1/5	$\frac{13}{15} x - \frac{7}{9} = - \frac{1}{5}$
8175	Resolva para x	14/(x-3)=8/x	$\frac{14}{x - 3} = \frac{8}{x}$
8176	Resolva para x	-168/(x+2.1)+168/x=4	$- \frac{168}{x + 2.1} + \frac{168}{x} = 4$
8177	Resolva para x	15/(x-2)=9/x	$\frac{15}{x - 2} = \frac{9}{x}$
8178	Resolva para x	-15/(x-3)=-6/x	$\frac{- 15}{x - 3} = \frac{- 6}{x}$
8179	Resolva para x	(16+x)/-4=(3x-4)/3+1	$\frac{16 + x}{- 4} = \frac{3 x - 4}{3} + 1$
8180	Resolva para x	17^(x-1)=(x-1)^17	$17^{x - 1} = {(x - 1)}^{17}$
8181	Resolva para x	18/50=x/75	$\frac{18}{50} = \frac{x}{75}$
8182	Resolva para x	2/13x=8	$\frac{2}{13} x = 8$
8183	Resolva para x	20/16=50/x	$\frac{20}{16} = \frac{50}{x}$
8184	Resolva para x	20/28=5/x	$\frac{20}{28} = \frac{5}{x}$
8185	Resolva para x	21/x=30/(x-3)	$\frac{21}{x} = \frac{30}{x - 3}$
8186	Resolva para x	249/153=x/102	$\frac{249}{153} = \frac{x}{102}$
8187	Resolva para x	26/78=x/30	$\frac{26}{78} = \frac{x}{30}$
8188	Resolva para x	2^(x-7)=4	$2^{x - 7} = 4$
8189	Resolva para x	27^x=1/81	$27^{x} = \frac{1}{81}$
8190	Resolva para x	2/x+3/(x+9)=11/4	$\frac{2}{x} + \frac{3}{x + 9} = \frac{11}{4}$
8191	Resolva para x	2/x=0.2	$\frac{2}{x} = 0.2$
8192	Resolva para x	2/7=x/21	$\frac{2}{7} = \frac{x}{21}$
8193	Resolva para x	2/(x+2)=4/(x^2-3x-10)	$\frac{2}{x + 2} = \frac{4}{x^{2} - 3 x - 10}$
8194	Resolva para x	2/(x-2)=12/(x+3)	$\frac{2}{x - 2} = \frac{12}{x + 3}$
8195	Resolva para x	2/(x-2)=8/(x^2-4)	$\frac{2}{x - 2} = \frac{8}{x^{2} - 4}$
8196	Resolva para x	2^4-2.2^(1-x)=0	$2^{4} - {2.2}^{1 - x} = 0$
8197	Resolva para x	2/(x+3)-4/(x-3)=8/(x^2-9)	$\frac{2}{x + 3} - \frac{4}{x - 3} = \frac{8}{x^{2} - 9}$
8198	Resolva para x	2^x+2^(x-1)+2^(x-2)=7^x+7^(x-1)+7^(x-2)	$2^{x} + 2^{x - 1} + 2^{x - 2} = 7^{x} + 7^{x - 1} + 7^{x - 2}$
8199	Resolva para x	2^(x+14)=16^(2x)	$2^{x + 14} = 16^{2 x}$
8200	Resolva para x	2/3x-1/9x+5=20	$\frac{2}{3} x - \frac{1}{9} x + 5 = 20$