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

Name : _________________

 

refresh

What is the SUM of x and y?
x + 2y = 8
x - 2y = -12




What is the SUM of x and y?
3x - y = -17
x + 3y = 1




What is the SUM of x and y?
3x + 2y = -10
2x - y = -2




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




What is the SUM of x and y?
3x - y = 14
2x - 3y = 21




What is the SUM of x and y?
3x - y = -10
x + 2y = -15




What is the SUM of x and y?
3x - 2y = -5
2x - y = -2




What is the SUM of x and y?
x + 3y = -3
3x - 3y = 15




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




What is the SUM of x and y?
2x + 3y = -19
x - y = 3




+(         )

 

(         )+

++[[          ]]++

451    3 -3 -4 -1 -2 ( -7 )   -10 5 1 3 -7 ( -8 )   [[ -15 ]]