$(a)$ $-6$ $(b)$ $-11$
Work Step by Step
$5x-6$ $(a)$ $x=0$ Replace $x$ with $0$ and evaluate the indicated operations: $5(0)-6=-6$ $(b)$ $x=-1$ Replace $x$ with $-1$ and evaluate the indicated operations: $5(-1)-6=-5-6=-11$
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