\(\dfrac{2x-7}{3}\ge3x-7\)
\(\Leftrightarrow2x-7\ge3\left(3x-7\right)\)
\(\Leftrightarrow2x-7\ge9x-21\)
\(\Leftrightarrow7x\le14\)
\(\Leftrightarrow x\le2\)
(2x-7)/3≥3x-7
<=>(2x-7)/3≥3*(3x-7)/3
<=>2x-7≥3*(3x-7)
<=>2x-7≥9x-21
<=>2x-9x≥-21+7
<=>-7x≥-14
<=>7x≤14
<=>x≤2