Question

Ai giúp mik bài này vs ạ

Answer 1

\(\Leftrightarrow9x-6=-5+10x\)

\(\Leftrightarrow-x=1\)

hay x=-1

Answer 2

\(\Rightarrow3\left(3x-2\right)=5\left(2x-1\right)\left(x\ne\dfrac{1}{2};x\ne\dfrac{2}{3}\right)\\ \Rightarrow9x-6=10x-5\Rightarrow x=-1\left(tm\right)\)

Answer 3

x=-1