Question
$$7-14m = 2m-5$$
Answer
$$ m = \dfrac{3}{4} $$
Explanation
$$ \begin{aligned} 7-14m &= 2m-5&& \text{move the $ \color{blue}{ 2m } $ to the left side and $ \color{blue}{ 7 }$ to the right} \\[1 em]-14m-2m &= -5-7&& \text{simplify left and right hand side} \\[1 em]-16m &= -12&& \text{ divide both sides by $ -16 $ } \\[1 em]m &= \frac{-12}{-16}&& \\[1 em]m &= \frac{3}{4}&& \\[1 em] \end{aligned} $$
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