Answer:
8x - 6y = 20-16х +7 y = 30
Step-by-step explanation:
(-1,2)
multiply top equation by 2 and add them together as follows
16x-12y=-40
-16x+7y=30
-5y=-10
y=2
now replace y with 2 in the first equation and solve for x
8x-6(2)=-20
8x-12=-20
8x=-8
x=-1
