Các câu hỏi tương tự
Bài 1 : Tìm x biết :a, left|frac{3}{2}x+frac{1}{2}right|left|4x-1right|b, left|frac{5}{4}x-frac{7}{2}right|-left|frac{5}{8}x+frac{3}{5}right|0c,left|frac{7}{5}x+frac{2}{3}right|left|frac{4}{3}x-frac{1}{4}right|Bài 2 : Tìm x biết :a, | 2x - 5 | x +1 b, | 3x - 2 | -1 x c, | 3x - 7 | 2x + 1d, | 2x-1 | +1 x
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Bài 1 : Tìm x biết :
a, \(\left|\frac{3}{2}x+\frac{1}{2}\right|=\left|4x-1\right|\)
b, \(\left|\frac{5}{4}x-\frac{7}{2}\right|-\left|\frac{5}{8}x+\frac{3}{5}\right|=0\)
c,\(\left|\frac{7}{5}x+\frac{2}{3}\right|=\left|\frac{4}{3}x-\frac{1}{4}\right|\)
Bài 2 : Tìm x biết :
a, | 2x - 5 | = x +1
b, | 3x - 2 | -1 = x
c, | 3x - 7 | = 2x + 1
d, | 2x-1 | +1 = x
Tìm x:
a)\(2.\left(3x-\frac{1}{2}\right)-2x=\frac{1}{2}\left(2x-3\right)\)
b)\(\left(2x-\frac{3}{5}\right)^2=\frac{4}{25}\)
c)\(\left(3x-1\right)^3=27\)
d)\(5-\left|x\right|=2\)
e)|2x+1|-3=3
f)|3-2x|=5
\(\left(5-x\right)\left(3x-\frac{1}{4}\right)=0\)
1 Tìm x:
( \(3x-2\frac{1}{3}\)):( \(3\frac{1}{4}-5\frac{2}{3}+1\frac{4}{5}\)) = \(2-1\frac{1}{3}x\)
2. Tìm x:
\(\frac{x+\frac{2\left(3-x\right)}{5}}{14}-\frac{5x-4\left(x-1\right)}{24}=\frac{7x+2+\frac{9-3x}{5}}{12}+\frac{2}{3}\)
3. Tìm x:
\(\left(1+3x\right)^2-3x\left(2x+6\right)=\left(4-3x\right)\left(x+3\right)-\left(2x-1\right)^2\)
a)4:(X-1)(X-1):9b) frac{3^0}{5}+frac{1}{2}:left(3-frac{1}{3}right)^{sqrt{9}}+frac{1}{3}c) 3frac{1}{2}:xcdotfrac{1}{2}5frac{1}{3}:frac{1}{2}cdotfrac{1}{5}d) /2x-3/5e) /2-/3x-1//5f)left(2x-frac{1}{3}right)^2left(1-3xright)^2g) left(3-frac{1}{2}:xright)^2frac{1}{4}h) left(1-1frac{1}{2}xright)^3frac{1}{8}
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a)4:(X-1)=(X-1):9
b) \(\frac{3^0}{5}+\frac{1}{2}:\left(3-\frac{1}{3}\right)^{\sqrt{9}}+\frac{1}{3}\)
c) \(3\frac{1}{2}:x\cdot\frac{1}{2}=5\frac{1}{3}:\frac{1}{2}\cdot\frac{1}{5}\)
d) /2x-3/=5
e) /2-/3x-1//=5
f)\(\left(2x-\frac{1}{3}\right)^2=\left(1-3x\right)^2\)
g) \(\left(3-\frac{1}{2}:x\right)^2=\frac{1}{4}\)
h) \(\left(1-1\frac{1}{2}x\right)^3=\frac{1}{8}\)
Tìm x, biết:a)-3frac{1}{2}+frac{1}{3}.left(x-1right)-1frac{1}{3}:2frac{1}{3}b)frac{x-1}{4}frac{x-2}{5}c)frac{x}{0,04}frac{0,09}{x}d)4:left(x-1right)left(x-1right):9e)3frac{1}{2}:x.frac{1}{2}5frac{1}{3}:frac{1}{2}.frac{1}{5}f)/2x-3/5g)left(2x-frac{1}{3}right)^2left(13xright)^2h) left(3-frac{1}{2}:xright)^2frac{1}{4}i) left(3-1frac{1}{2}:xright)^3frac{1}{8}
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Tìm x, biết:
a)\(-3\frac{1}{2}+\frac{1}{3}.\left(x-1\right)=-1\frac{1}{3}:2\frac{1}{3}\)
b)\(\frac{x-1}{4}=\frac{x-2}{5}\)
c)\(\frac{x}{0,04}=\frac{0,09}{x}\)
d)\(4:\left(x-1\right)=\left(x-1\right):9\)
e)\(3\frac{1}{2}:x.\frac{1}{2}=5\frac{1}{3}:\frac{1}{2}.\frac{1}{5}\)
f)/2x-3/=5
g)\(\left(2x-\frac{1}{3}\right)^2=\left(1=3x\right)^2\)
h) \(\left(3-\frac{1}{2}:x\right)^2=\frac{1}{4}\)
i) \(\left(3-1\frac{1}{2}:x\right)^3=\frac{1}{8}\)
a) \(\frac{3}{2}\left(1-\frac{1}{2}x\right)-5=4-3\left(2x-3\right)\)
b) \(\left(\frac{4}{5}-\frac{3}{2}x\right):\left(\frac{1}{2}-\frac{1}{5}\right)=\frac{2}{3}x-1\)
Tìm x:
1.Ix+1I + Ix+2I + Ix+3I + ... Ix+12I=11x
2.\(\frac{2}{\left(x-1\right)\left(x-3\right)}\)+ \(\frac{5}{\left(x-3\right)\left(x-8\right)}\)+\(\frac{12}{\left(x-8\right)\left(x-20\right)}\)-\(\frac{1}{x-20}\)=\(\frac{-3}{4}\)
1.Tìm x biếta) left(frac{2}{5}-xright):1frac{1}{3}+frac{1}{2}-4b) left(-3+frac{3}{x}-frac{1}{3}right):left(1+frac{2}{5}+frac{2}{3}right)-frac{5}{4}c) frac{-3x}{4}.left(frac{1}{x}+frac{2}{7}right)0d) 3-frac{1-frac{1}{2}}{1+frac{1}{x}}2frac{2}{3}e)left(2x+frac{1}{3}right)^2frac{9}{16}f) 4^x+4^{x+3}4160g) left(x-2,5right):1frac{1}{2}x:2h) left(frac{1}{3}+xright):left(x+frac{3}{4}right)frac{7}{9}i) 0,81:frac{x}{2}frac{16}{x^4}:left(-0,9right)2. Tìm x, biết:a)left(152frac{2}{4}-148frac{3}{8}right):0,...
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1.Tìm x biết
a) \(\left(\frac{2}{5}-x\right)\):\(1\frac{1}{3}+\frac{1}{2}=-4\)
b) \(\left(-3+\frac{3}{x}-\frac{1}{3}\right):\left(1+\frac{2}{5}+\frac{2}{3}\right)=-\frac{5}{4}\)
c) \(\frac{-3x}{4}.\left(\frac{1}{x}+\frac{2}{7}\right)=0\)
d) 3-\(\frac{1-\frac{1}{2}}{1+\frac{1}{x}}=2\frac{2}{3}\)
e)\(\left(2x+\frac{1}{3}\right)^2=\frac{9}{16}\)
f) \(4^x+4^{x+3}=4160\)
g) \(\left(x-2,5\right):1\frac{1}{2}=x:2\)
h) \(\left(\frac{1}{3}+x\right):\left(x+\frac{3}{4}\right)=\frac{7}{9}\)
i) 0,81:\(\frac{x}{2}=\frac{16}{x^4}:\left(-0,9\right)\)
2. Tìm x, biết:
a)\(\left(152\frac{2}{4}-148\frac{3}{8}\right):0,2=x:0,3\)
b) \(\left[\left(6\frac{3}{5}-3\frac{3}{14}\right):2,5\right]:\left(21-1,25\right)=x:5\frac{5}{6}\)
Tìm x biết:
\(\frac{-1}{2}\times\left(3x-1\right)+\frac{3}{4}\left(3-2x\right)=-3\times\left(\frac{x}{2}-1\right)-\left(\frac{4}{5}\right)^{-1}\)