Math
Solve for both systems - x - y = - 9 and x - 2y = 3

Asked by
AnneS2
Last updated by
anonymous
x - 2y = 3
x - 2y+2y = 3+2y
x= 3+2y
- x - y = - 9
- (3+2y) - y = - 9
-3-2y-y=-9
-3-3y=-9
-3-3y+3=-9+3
-3y=-6
-3y/-3=-6/-3
y=2
x= 3+2y
x= 3+2(2)
x= 3+4=7