Answer:
(-8,-2)
Step-by-step explanation:
x=2y-4 (equation 1)
7x+5y=-66 (equation2)
Substitute equation 1 in 2
7(2y-4)+5y=-66
14y-28+5y=-66
19y= -66+28
19y= -38
y= -38/19
—>y=-2
Now substitute y=-2 in equation 1
x=2y-4
x=2(-2)-4
x=-4-4
—> x=-8
==>(-8,-2)
