Answer:
y = 19
Step-by-step explanation:
We will solve the system of equations by the addition method. We will eliminate x and solve for y.
7x - 7y = 49
13x - 16y = 34
Divide both sides of the first equation by 7.
x - y = 7
13x - 16y = 34
Multiply both sides of the first equation by -13.
-13x + 13y = -91
13x - 16y = 34
Add the equations.
-3y = -57
Divide both sides by -3.
y = 19
