Question
$$-2(-3x\cdot2+7) = 0$$
Answer
$$ x = \dfrac{7}{6} $$
Explanation
$$ \begin{aligned} -2(-3x\cdot2+7) &= 0&& \text{simplify left side} \\[1 em]-2(-6x+7) &= 0&& \\[1 em]-(-12x+14) &= 0&& \\[1 em]12x-14 &= 0&& \text{ move the constants to the right } \\[1 em]12x &= 14&& \text{ divide both sides by $ 12 $ } \\[1 em]x &= \frac{14}{12}&& \\[1 em]x &= \frac{7}{6}&& \\[1 em] \end{aligned} $$
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