Answer
$-7 \lt -5$
Work Step by Step
If $a-b \lt 0$, then $a \lt b$
If $a-b \gt 0$, then $a \gt b$
If $a-b = 0$, then $a = b$
$-7-(-5) = -7+5 = -2$ so $-7 \lt -5$
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