Question

Elimination method - -4x = 4y
4x - 8y = 12

Answer 1

Answer: (4,-4)

y=-4, x=4

Explanation:

-4x=4y

4x-8y=12

-8y=-4x+12 Now I can substitute -4x for 4y

-8y=4y+12

-2y=y+12

-3y=12

y=-4

-4x=4y

-4x=4(-4)

x=4