Giải thích các bước giải:
$a)/3x-2/-/x+3/=0$
$⇒/3x-2/=/x+3/$
$⇒\left[ \begin{array}{l}3x-2=x+3\\3x-2=-x-3\end{array} \right.$ $⇒\left[ \begin{array}{l}3x-x=2+3\\3x+x=2-3\end{array} \right.$$⇒\left[ \begin{array}{l}2x=5\\4x=-1\end{array} \right.$$⇒\left[ \begin{array}{l}x=\frac{5}{2}\\x=\frac{-1}{4}\end{array} \right.$
$b)/x+5/-/2x-1/=0$
$⇒/x+5/=/2x-1/$
$⇒\left[ \begin{array}{l}x+5=2x-1\\x+5=1-2x\end{array} \right.$ $⇒\left[ \begin{array}{l}2x-x=5+1\\x+2x=1-5\end{array} \right.$$⇒\left[ \begin{array}{l}x=6\\3x=-4\end{array} \right.$$⇒\left[ \begin{array}{l}x=6\\x=\frac{-4}{3}\end{array} \right.$
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