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\(\frac{2x-3}{2}=\frac{32}{2x-3}\)
\(\Rightarrow\left(2x-3\right).\left(2x-3\right)=2.32\)
\(\left(2x-3\right)^2=64=8^2=\left(-8\right)^2\)
=> 2x-3 = 8 => 2x = 11 => x = 11/2
2x -3 = -8 => 2x = -5 => x = -5/2
KL:...
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5x + 1 - 5x = 500
=> 5x - (-1) - 5x = 500
=> 5x - 5x - (-1) = 500
=> 0 - (-1) = 500
=> 1 = 500
=> Sai đề
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\(x^2-x-2x+2=0\)
\(\Leftrightarrow\left(x^2-2x+1\right)-\left(x-1\right)=0\)
\(\Leftrightarrow\left(x-1\right)^2-\left(x-1\right)=0\)
\(\Leftrightarrow\left(x-1\right)\left[\left(x-1\right)-1\right]=0\)
\(\Leftrightarrow\left(x-1\right)\left(x-2\right)=0\)
\(\Rightarrow\orbr{\begin{cases}x-1=0\\x-2=0\end{cases}}\)
\(\Rightarrow\orbr{\begin{cases}x=1\\x=2\end{cases}}\)
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x+|x|=2x
\(\Rightarrow\)|x|=2x-x=x
\(\Rightarrow\)x\(\ge\)0 thỏa mãn đề bài
GIAI GIUP EM NHE
CHO X-1\2=Y-2\3=Z-3\4 VA 2X+3Y-Z
TIM X,Y ,Z