Question

C(x)=15.00+0.20x= how to solve

Answer 1

x = -75

Explanation:

15.00 + 0.20x = 0

Step 1: Subtract 15 from both sides

15 + 0.2x - 15 = 0 - 15

0.2x / 0.2 = -15 / 0.2

x = -75

Answer: x = -75