\(\frac{-3}{2}.\left(1-2x\right)-\frac{1}{2}.\left(x-1\right)=4+5x\)
=>\(\frac{-3}{2}+3x-\frac{1}{2}x+\frac{1}{2}=4+5x\)
=>\(\frac{5}{2}x-1=4+5x\)
=>\(\frac{-5}{2}x=5\)
=>\(x=5:\frac{-5}{2}\)
=>\(x=-2\)
a. \(\frac{2-x}{4}=\frac{x+1}{-3}\)
b. \(\frac{2-5x}{3}=\frac{-4x+1}{-5}\)
c. \(3\left(x-1\right)+4\left(5x+2\right)=3\)
d. \(\frac{1}{3}\left(2x-1\right)-4\left(5-2x\right)=\left(x+1\right)\)
Tìm x biết
\(a,-\frac{1}{2}\left(3x-1\right)+\frac{3}{4}\left(3-2x\right)=-3\left(\frac{x}{2}-1\right)-\left(\frac{4}{5}\right)^{-1}\)
\(b,\sqrt{9\left(5x-1\right)}-\sqrt{16\cdot\left(5x-1\right)}+\sqrt{36\left(5x-1\right)}=15\)
MÌNH ĐANG CẦN GẤP GIẢI CỤ THỂ GIÚP MÌNH NHA
tìm x
1 , \(\left|\frac{3}{2}x-1\right|-2x=1\)
2, | 7 - 2x | + 7 = 2x
3 , | 5x - 2 | +2 = 5x
4 , \(\left|x\left(x^2-\frac{5}{4}\right)\right|=x\)
Tìm x, biết:
a, 2x-10-[3x-14-(4-5x)-2x] = 2
b,\(\left(\frac{1}{4}x-1\right)+\left(\frac{5}{6}x-2\right)-\left(\frac{3}{8}x+1\right)=4,5\)
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:
\(\left(1+3x\right)^2-3x\left(2x+6\right)=\left(4-3x\right)\left(x+3\right)-\left(2x-1\right)^2\)
Tìm x và y biết:
d)\(-1\frac{2}{3}-\left(\left|2x\right|+\frac{5}{6}\right)=\)\(-2\)e)\(\left(-\frac{1}{2}+\frac{1}{3}\right):\left|1-2x\right|-1\frac{1}{4}:\left(-\frac{5}{8}\right).\left(-\frac{1}{2}\right)^2=\frac{1}{3}\)
c)\(\left|2x-1\right|+\left|2y+1\right|+\left|2x-y\right|=0\)b)\(\left|2x-1\right|=2x-1\)
a)\(\left|x-3\right|=x+4\)
a) \(\left(\frac{4}{5}\right)^5:x=\left(\frac{4}{7}\right)^7\)
b) \(3^x +3^{x+1}=108\)
c) \(2^{6+5x}=16^9\)
d) \(\left|2x+\frac{1}{3}\right|=\frac{2}{5}\)
e) \(\left|2x-\frac{1}{4}\right|-\frac{3}{4}=\frac{1}{2}\)
Tìm x biết
a, \(|5x-3|-3x=12\)
b, \(|x^2-2x-4|+4=4x\)
c, \(\left(1-\frac{1}{2}\right)\left(1-\frac{1}{3}\right)\left(1-\frac{1}{4}\right)...\left(1-\frac{1}{100}\right)=|x-1\frac{99}{100}|\)
Bài 1:Tìm x
a)\(\left(5x+1\right)^2=\frac{36}{49}\)
b)\(\left(x-\frac{2}{9}\right)^3=\left(\frac{2}{3}\right)^6\)
c)\(\left(8x-1\right)^{2x+1}=5^{2x+1}\)
