Answer:
=15a−8
Step-by-step explanation:
Let's simplify step-by-step.
4(2a−1)−4+7a
Distribute:
=(4)(2a)+(4)(−1)+−4+7a
=8a+−4+−4+7a
Combine Like Terms:
=(8a+7a)+(−4+−4)
=15a+−8
hope i helped
-lvr