Question

Complete the solution of the equation. Find the value of y when x equals 1.
9x+7y=-12

Answer 1

9(1) + 7y=-12
9+7y=-12
-9 -9
________
7y/7= -21/7
Y= -3

Answer 2

9x + 7y = -12 x = 1

9*1 + 7y = -12

9 + 7y = -12

7y = -12 - 9

7y =-21 Divide through by 7.

y = -21/7

y = -3

Hope this helped.