answersLogoWhite

0

x - y = -3

2x + y = 12 (add both equations)

3x = 9 (divide by 3 to both sides)

x = 3

x - y = -3 (replace x with 3)

3 - y = -3 subtract 3 to both sides)

-y = -6 (multiply by -1 to both sides)

y = 6

The solution of the system of the equations is (3, 6).

User Avatar

Wiki User

15y ago

What else can I help you with?