Question
$$7x-5 = 3x+19$$
Answer
$$ x = 6 $$
Explanation
$$ \begin{aligned} 7x-5 &= 3x+19&& \text{move the $ \color{blue}{ 3x } $ to the left side and $ \color{blue}{ -5 }$ to the right} \\[1 em]7x-3x &= 19+5&& \text{simplify left and right hand side} \\[1 em]4x &= 24&& \text{ divide both sides by $ 4 $ } \\[1 em]x &= \frac{24}{4}&& \\[1 em]x &= 6&& \\[1 em] \end{aligned} $$
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