Question
$$4500+3000+2500+2300-4000 = 0$$
Answer
This equation has no solution.
Explanation
$$ \begin{aligned} 4500+3000+2500+2300-4000 &= 0&& \text{simplify left side} \\[1 em]10000+(-1700) &= 0&& \\[1 em]10000-1700 &= 0&& \\[1 em]8300 &= 0&& \\[1 em] \end{aligned} $$
Since the statement $ \color{red}{ 8300 = 0 } $ is FALSE, we conclude that the equation has no solution.
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