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

Name : _________________

 

refresh

What is the SUM of x and y?
2x - y = 12
5x + y = 30




What is the SUM of x and y?
7x + 3y = 9
4x + 8y = -20




What is the SUM of x and y?
6x + 3y = 6
2x - 4y = -28




What is the SUM of x and y?
8x - 6y = -40
9x - 3y = -45




What is the SUM of x and y?
8x - 7y = 56
9x - 7y = 63




What is the SUM of x and y?
5x - 7y = 14
4x - 8y = 16




What is the SUM of x and y?
8x + 2y = 38
8x - 6y = 78




What is the SUM of x and y?
6x - 5y = -30
9x + 4y = -45




What is the SUM of x and y?
2x - y = 4
2x - 8y = 18




What is the SUM of x and y?
4x - y = -11
2x + 8y = -48




+(         )

 

(         )+

++[[          ]]++

980    6 -1 4 -5 7 ( 11 )   -2 1 -5 -1 -9 ( -16 )   [[ -5 ]]