b= 63 and that is your answer
Answer:
pretty sure its b
Step-by-step explanation:
Do you have any answer choices?
For this case we have the following expression:

Applying distributive property to the terms within parentheses taking into account that:

We have:

We add similar terms taking into account that:
Equal signs are added and the same sign is placed.

Thus, an equivalent expression is:

Answer:
