990  SystemEq3
What is the SUM of x and y? 2

Name : _________________

refresh

What is the SUM of x and y?
6x - 7y = -13
4x - 7y = -25




What is the SUM of x and y?
5x - y = 3
7x + y = -3




What is the SUM of x and y?
3x - 9y = -6
8x - 9y = -16




What is the SUM of x and y?
7x - 7y = -70
2x + 6y = 28




What is the SUM of x and y?
4x + 8y = 84
9x - 9y = 0

What is the SUM of x and y?
2x + 5y = 24
2x - 4y = -12




What is the SUM of x and y?
7x - 8y = 25
6x + y = 45




What is the SUM of x and y?
3x + 8y = 50
4x - 8y = -8




What is the SUM of x and y?
9x - y = -9
8x + 9y = -8




What is the SUM of x and y?
2x - 9y = -55
7x + 2y = -25

+(         )

(         )+

++[[          ]]++