Question

If (a, - 7) is a solution to the equation 8a =-3b – 5, what is a?

O -17
O 17
O 2
O 8

Answer 1

C

Explanation:

b is the y value of the equation.

8a = -3b - 5 Let b = - 7

8a = -3*-7 - 5 Combine

8a = 21 - 5 Combine the right again.

8a = 16 Divide by 8

8a/8 = 16/8

a = 2