Mathway | Problèmes fréquents

Problèmes fréquents

Rang	Matière	Problème	Problème de formatage
16401	Resolva para x	\|x-7\|=14	$\| x - 7 \| = 14$
16402	Resolva para x	(0.8x)/0.8=252/0.8	$\frac{0.8 x}{0.8} = \frac{252}{0.8}$
16403	Resolva para x	1/10+1/15=1/x	$\frac{1}{10} + \frac{1}{15} = \frac{1}{x}$
16404	Resolva para x	(x^2+25)/(3x^2+20x+25)+5/(x+5)=-5/(3x+5)	$\frac{x^{2} + 25}{3 x^{2} + 20 x + 25} + \frac{5}{x + 5} = - \frac{5}{3 x + 5}$
16405	Resolva para x	(x^2-3x-10)/(x^2+x-12)=0	$\frac{x^{2} - 3 x - 10}{x^{2} + x - 12} = 0$
16406	Resolva para x	\|(3x+2)/(8x+7)\|=5	$\| \frac{3 x + 2}{8 x + 7} \| = 5$
16407	Resolva para x	\|(5x+20)/4\|=5	$\| \frac{5 x + 20}{4} \| = 5$
16408	Resolva para x	\|9/(x-3)\|=13	$\| \frac{9}{x - 3} \| = 13$
16409	Resolva para x	\|x^2-((x-1)^2)/2\|=7	$\| x^{2} - \frac{{(x - 1)}^{2}}{2} \| = 7$
16410	Resolva para x	\|(x+5)/2\|+4=2	$\| \frac{x + 5}{2} \| + 4 = 2$
16411	Resolva para x	\|1.69x+3.28\|=2.27	$\| 1.69 x + 3.28 \| = 2.27$
16412	Resolva para x	\|11x+3\|=8	$\| 11 x + 3 \| = 8$
16413	Resolva para x	\|11x-47\|=-41	$\| 11 x - 47 \| = - 41$
16414	Resolva para x	\|13-2x\|=1	$\| 13 - 2 x \| = 1$
16415	Resolva para x	-\|2x-10\|-1=2	$- \| 2 x - 10 \| - 1 = 2$
16416	Resolva para x	\|3x\|+9=30	$\| 3 x \| + 9 = 30$
16417	Resolva para x	\|3x+2\|=1	$\| 3 x + 2 \| = 1$
16418	Resolva para x	\|3x-5\|=7	$\| 3 x - 5 \| = 7$
16419	Resolva para x	\|4x+3\|+8=4	$\| 4 x + 3 \| + 8 = 4$
16420	Resolva para x	\|4x+3\|-7=0	$\| 4 x + 3 \| - 7 = 0$
16421	Resolva para x	\|4x-1\|+9=15	$\| 4 x - 1 \| + 9 = 15$
16422	Resolva para x	\|4x-3\|+1=7	$\| 4 x - 3 \| + 1 = 7$
16423	Resolva para x	\|5-x\|=12	$\| 5 - x \| = 12$
16424	Resolva para x	\|5x-4\|+2=16	$\| 5 x - 4 \| + 2 = 16$
16425	Resolva para x	\|5x-9\|=2(x+4)	$\| 5 x - 9 \| = 2 (x + 4)$
16426	Resolva para x	\|6-x\|=2	$\| 6 - x \| = 2$
16427	Resolva para x	\|6x\|-8=28	$\| 6 x \| - 8 = 28$
16428	Resolva para x	-7/3x=1-1/3y	$- \frac{7}{3} x = 1 - \frac{1}{3} y$
16429	Resolva para x	-7/(3x)+56/(21x)=-7/21	$\frac{- 7}{3 x} + \frac{56}{21 x} = \frac{- 7}{21}$
16430	Resolva para x	7/4=(x+4)/x	$\frac{7}{4} = \frac{x + 4}{x}$
16431	Resolva para x	-7/4x+1/4=-12	$- \frac{7}{4} x + \frac{1}{4} = - 12$
16432	Resolva para x	7^(x^2)-49^(6-2x)=0	$7^{x^{2}} - 49^{6 - 2 x} = 0$
16433	Resolva para x	7^(2x-4)=44	$7^{2 x - 4} = 44$
16434	Resolva para x	7^-3=49^(x+3)	$7^{- 3} = 49^{x + 3}$
16435	Resolva para x	7^(-6-x^2)=7^8	$7^{- 6 - x^{2}} = 7^{8}$
16436	Resolva para x	7^x+7^(-x)=50	$7^{x} + 7^{- x} = 50$
16437	Resolva para x	70/170=x/109	$\frac{70}{170} = \frac{x}{109}$
16438	Resolva para x	7sin(x)^2-14sin(x)+2=5	$7 \sin^{2} (x) - 14 \sin (x) + 2 = 5$
16439	Resolva para x	(7x)/5-5/10x=x-7/2	$\frac{7 x}{5} - \frac{5}{10} x = x - \frac{7}{2}$
16440	Resolva para x	(8-0.1x)/0.2=50-x	$\frac{8 - 0.1 x}{0.2} = 50 - x$
16441	Resolva para x	8/(3-4x)=5/(2x+1/4)	$\frac{8}{3 - 4 x} = \frac{5}{2 x + \frac{1}{4}}$
16442	Resolva para x	8/x=5/(x+4)	$\frac{8}{x} = \frac{5}{x + 4}$
16443	Resolva para x	8/(x+3)=6/(x-5)	$\frac{8}{x + 3} = \frac{6}{x - 5}$
16444	Resolva para x	8/(x-3)-5/(x-2)=19/(x^2-5x+6)	$\frac{8}{x - 3} - \frac{5}{x - 2} = \frac{19}{x^{2} - 5 x + 6}$
16445	Resolva para x	8^(-7x-x^2)=8^12	$8^{- 7 x - x^{2}} = 8^{12}$
16446	Resolva para x	8^x=1/64	$8^{x} = \frac{1}{64}$
16447	Resolva para x	8^x=40.96	$8^{x} = 40.96$
16448	Resolva para x	8^(-x+2)=43	$8^{- x + 2} = 43$
16449	Resolva para x	9/x+1/6=4/x	$\frac{9}{x} + \frac{1}{6} = \frac{4}{x}$
16450	Resolva para x	9^(2x+1)=128	$9^{2 x + 1} = 128$
16451	Resolva para x	9^(5x-x^2)=9^6	$9^{5 x - x^{2}} = 9^{6}$
16452	Resolva para x	9^(-6x+(3))=9^(3 racine carrée de 9)	$9^{- 6 x + (3)} = 9^{3 \sqrt{9}}$
16453	Resolva para x	9^(x+2)=(1/27)^(x+12)	$9^{x + 2} = {(\frac{1}{27})}^{x + 12}$
16454	Resolva para x	9^(x+2)=1	$9^{x + 2} = 1$
16455	Resolva para x	9^(x+2)=240+9^x	$9^{x + 2} = 240 + 9^{x}$
16456	Trouver le nombre de possibilités	6C^2	$6 C^{2}$
16457	Resolva para x	(dy)/(dx)+1/x*y=x^3	$\frac{d y}{d x} + \frac{1}{x} \cdot y = x^{3}$
16458	Resolva para x	(dy)/(dx)=(y-x)/(y+x)	$\frac{d y}{d x} = \frac{y - x}{y + x}$
16459	Resolva para x	e^(0.006x)=32	$e^{0.006 x} = 32$
16460	Resolva para x	e^(0.006x)=35	$e^{0.006 x} = 35$
16461	Resolva para x	e^(2x)*(2x-1)-1=0	$e^{2 x} \cdot (2 x - 1) - 1 = 0$
16462	Resolva para x	e^(2x+10)=5^((3x)/11)	$e^{2 x + 10} = 5^{\frac{3 x}{11}}$
16463	Resolva para x	e^(2x-1)=405	$e^{2 x - 1} = 405$
16464	Resolva para x	e^(5x^2)=6	$e^{5 x^{2}} = 6$
16465	Resolva para x	e^(5 logarithme népérien de 2)=x	$e^{5 \ln (2)} = x$
16466	Resolva para x	e^(5x+2)=0.4	$e^{5 x + 2} = 0.4$
16467	Resolva para x	e^(5x-9)-2=18204	$e^{5 x - 9} - 2 = 18204$
16468	Resolva para x	e^(6x-7)-5=12464	$e^{6 x - 7} - 5 = 12464$
16469	Resolva para x	e^(8-5x)=1704	$e^{8 - 5 x} = 1704$
16470	Resolva para x	e^x=0.3059	$e^{x} = 0.3059$
16471	Resolva para x	e^x=2x+1	$e^{x} = 2 x + 1$
16472	Resolva para x	e^x=4.499	$e^{x} = 4.499$
16473	Resolva para x	e^x=4-x^2	$e^{x} = 4 - x^{2}$
16474	Resolva para x	e^x-x-2=0	$e^{x} - x - 2 = 0$
16475	Resolva para x	e^(x+2)=30^x	$e^{x + 2} = 30^{x}$
16476	Resolva para x	e^(x-4)(e^(2x+8))=24	$e^{x - 4} (e^{2 x + 8}) = 24$
16477	Resolva para x	(f(x))/(g(x))=( racine carrée de x)/( racine carrée de 4-x^2f(x))	$\frac{f (x)}{g (x)} = \frac{\sqrt{x}}{\sqrt{4 - x^{2}} f (x)}$
16478	Resolva para x	kx^2=k+x	$k x^{2} = k + x$
16479	Resolva para x	base logarithmique 12 de x+1+ base logarithmique 12 de x=1	$\log_{12} (x + 1) + \log_{12} (x) = 1$
16480	Resolva para x	base logarithmique 16 de 32=x	$\log_{16} (32) = x$
16481	Resolva para x	base logarithmique 2 de 2^6=4-3x	$\log_{2} (2^{6}) = 4 - 3 x$
16482	Resolva para x	base logarithmique 2 de 3x+1- base logarithmique 2 de x+2+2 = base logarithmique 2 de 9x-4- base logarithmique 2 de x	$\log_{2} (3 x + 1) - \log_{2} (x + 2) + 2 = \log_{2} (9 x - 4) - \log_{2} (x)$
16483	Resolva para x	base logarithmique 2 de 3x+2=5	$\log_{2} (3 x + 2) = 5$
16484	Resolva para x	base logarithmique 2 de 3x-1=4	$\log_{2} (3 x - 1) = 4$
16485	Resolva para x	base logarithmique 2 de 4x-8=3+ base logarithmique 2 de 2x	$\log_{2} (4 x - 8) = 3 + \log_{2} (2 x)$
16486	Resolva para x	base logarithmique 2 de 9x+3=3	$\log_{2} (9 x + 3) = 3$
16487	Resolva para x	base logarithmique 27 de x=9	$\log_{27} (x) = 9$
16488	Resolva para x	base logarithmique 3 de 10^6=x	$\log_{3} (10^{6}) = x$
16489	Resolva para x	base logarithmique 3 de racine carrée de 243=x	$\log_{3} (\sqrt{243}) = x$
16490	Resolva para x	base logarithmique 3 de 2x+3- base logarithmique 3 de x-2=2	$\log_{3} (2 x + 3) - \log_{3} (x - 2) = 2$
16491	Resolva para x	base logarithmique 3 de 2x-3=2 base logarithmique 3 de 3+ base logarithmique 3 de 3x-2	$\log_{3} (2 x - 3) = 2 \log_{3} (3) + \log_{3} (3 x - 2)$
16492	Resolva para x	base logarithmique 3 de 4- base logarithmique 3 de x=2	$\log_{3} (4) - \log_{3} (x) = 2$
16493	Resolva para x	base logarithmique 3 de 6x-2=4	$\log_{3} (6 x - 2) = 4$
16494	Resolva para x	base logarithmique 3 de x+ base logarithmique 3 de 5=1	$\log_{3} (x) + \log_{3} (5) = 1$
16495	Resolva para x	base logarithmique 3 de x+18- base logarithmique 3 de x-8=3	$\log_{3} (x + 18) - \log_{3} (x - 8) = 3$
16496	Resolva para x	base logarithmique 3 de x+4- base logarithmique 3 de x-4 = base logarithmique 3 de 5	$\log_{3} (x + 4) - \log_{3} (x - 4) = \log_{3} (5)$
16497	Resolva para x	base logarithmique 36 de x=-1/2	$\log_{36} (x) = - \frac{1}{2}$
16498	Resolva para x	base logarithmique 4 de 4^3=x	$\log_{4} (4^{3}) = x$
16499	Resolva para x	base logarithmique 4 de 4x-6=1	$\log_{4} (4 x - 6) = 1$
16500	Resolva para x	base logarithmique 4 de 7-2x=5	$\log_{4} (7 - 2 x) = 5$