4(6/4b - 12 + 3/4b + 10) - 7b - 7.
To start, you would have to distribute 4 to everything in the parenthesis.
6b - 48 + 3b + 40 - 7b - 7.
Combine like terms (all the b's and numbers w/o coefficients)
6b + 3b + (-7b) = 2b
-48 + 40 - 7 = - 15.
Answer: 2b - 15
