Question
$$\frac{72}{4}+15\cdot8-35 = 0$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} \frac{72}{4}+15\cdot8-35 &= 0&& \text{multiply ALL terms by } \color{blue}{ 4 }. \\[1 em]4\cdot\frac{72}{4}+4\cdot15\cdot8-4\cdot35 &= 4\cdot0&& \text{cancel out the denominators} \\[1 em]72+480-140 &= 0&& \text{simplify left side} \\[1 em]412 &= 0&& \\[1 em] \end{aligned} $$
Since the statement $ \color{red}{ 412 = 0 } $ is FALSE, we conclude that the equation has no solution.
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