Question
$$4x+5 = 3x+7$$
Answer
$$ x = 2 $$
Explanation
$$ \begin{aligned} 4x+5 &= 3x+7&& \text{move the $ \color{blue}{ 3x } $ to the left side and $ \color{blue}{ 5 }$ to the right} \\[1 em]4x-3x &= 7-5&& \text{simplify left and right hand side} \\[1 em]x &= 2&& \\[1 em]x &= 2&& \\[1 em] \end{aligned} $$
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