\(\Leftrightarrow\dfrac{3\left(2x-1\right)-36}{12}=\dfrac{2\left(1+x\right)}{12}\)
\(\Leftrightarrow\dfrac{6x-3-36}{12}=\dfrac{2+2x}{12}\)
\(\Leftrightarrow6x-39=2+2x\)
\(\Leftrightarrow4x=41\Leftrightarrow x=\dfrac{41}{4}\)
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