Question

subtract.
(-c + 7) - (-7c + 5)

Explanation:

Step1: Distribute the negative sign

$(-c + 7) + 7c - 5$

Step2: Combine like terms for $c$

$-c + 7c = 6c$

Step3: Combine constant terms

$7 - 5 = 2$

Step4: Combine results

$6c + 2$

Answer:

$6c + 2$