506  SystemEq1
What is the SUM of x and y? 2

Name : _________________

refresh

What is the SUM of x and y?
3x - 3y = -21
3x + y = 3




What is the SUM of x and y?
3x - y = 7
x - y = 1




What is the SUM of x and y?
3x - y = 12
x + 2y = 4




What is the SUM of x and y?
2x - y = -7
x + 2y = 14




What is the SUM of x and y?
x + 3y = 7
x - 2y = -13

What is the SUM of x and y?
2x + y = -9
2x - 2y = 0




What is the SUM of x and y?
x + 2y = 0
x - 2y = 8




What is the SUM of x and y?
2x + y = -6
3x - y = -9




What is the SUM of x and y?
3x - 3y = 21
x + 3y = 3




What is the SUM of x and y?
x + 2y = 1
3x - y = 3

+(         )

(         )+

++[[          ]]++