Question

Why is it necessary to use the Distributive Property first and then

combine like terms to solve 7(5 + 2x) + x = 65?

Answer 1

the rule of PEMDAS states to do parentheses first!!

Answer 2

It is necessary to use the Distributive Property first and then

combine like terms to solve 7(5 + 2x) + x = 65 because if you don't you will get a different answer