Question

Simplify, THEN evaluate for x = 3, y = -4, and z= -2.
7(x - y) - 3(2 + 2x)

Answer 1

Answer: 25

Explanation:

7(x - y) - 3(2 + 2x)

= 7x - 7y - 6 - 6x

= x - 7y - 6

for x = 3, y = -4

3 - 7(-4) - 6

= 3 + 28 - 6

= 31 - 6

= 25