Question

9. Which is a solution of the equation 5(x – 8) = -55 ?

a) x = 3
b) x = 13
c) x = -3
d) x = -9.4

Answer 1

Answer: c. x = -3

5(x - 8) = -55

⇔ 5x - 40 = -55

⇔ 5x = -55 + 40 = -15

⇔ x = -15/5

⇔ x = -3

Explanation: