Answer:
x = -8
y = -2
Step-by-step explanation:
The variable x in this system of equations is already isolated. Therefore, we can substitute it into the other equation and solve for y.
7(2y - 4) + 5y = -66
14y - 28 + 5y = -66
19y = -66 + 28
y = -2
Then we solve for x
x = 2(-2) - 4
x = -8
