Question

subtract.
$(-7s + 9) - (-s - 7)$

Explanation:

Step1: Distribute the negative sign

$(-7s + 9) + s + 7$

Step2: Combine like terms for $s$

$-7s + s = -6s$

Step3: Combine constant terms

$9 + 7 = 16$

Step4: Combine results

$-6s + 16$

Answer:

$-6s + 16$