## Prealgebra (7th Edition)

-7 (x - 1) + 5 (2x + 3) = (-7 $\times$ x) + (-7 $\times$ -1) + (5 $\times$ 2x) + (5 $\times$ 3) = -7x + 7 + 10x + 15 = 3x + 22