Work Step by Step
The absolute value of a number $a$ is equal to $a$ if $a\geq0$ and is equal to $-a$ if $a\lt0$. $-7\lt0$, $-3\lt0$, and $-10\lt0$ Therefore, $|-7|+|-3|-|-10|=7+3-10=(7+3)-10=10-10=0$.
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