14. $15y - 7y + 7 + 5 = \\underline{\\quad\\quad\\quad}$
14. $15y - 7y + 7 + 5 = \\underline{\\quad\\quad\\quad}$
Answer
Explanation:
Step1: Combine like variable terms
$15y - 7y = 8y$
Step2: Combine constant terms
$7 + 5 = 12$
Step3: Combine results
$8y + 12$
Answer:
$8y + 12$