Question
$$6a-5 = 4a$$
Answer
$$ a = \dfrac{5}{2} $$
Explanation
$$ \begin{aligned} 6a-5 &= 4a&& \text{move the $ \color{blue}{ 4a } $ to the left side and $ \color{blue}{ -5 }$ to the right} \\[1 em]6a-4a &= 5&& \text{simplify left side} \\[1 em]2a &= 5&& \text{ divide both sides by $ 2 $ } \\[1 em]a &= \frac{5}{2}&& \\[1 em] \end{aligned} $$
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