639  SystemEq2
What is the SUM of x and y? 1

Name : _________________

 

refresh

What is the SUM of x and y?
2x + y = 7
2x - 2y = -8




What is the SUM of x and y?
2x + y = 12
3x - 3y = 18




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




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




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




What is the SUM of x and y?
2x - 3y = -26
2x - y = -10




What is the SUM of x and y?
3x - 2y = 36
2x + 3y = -2




What is the SUM of x and y?
3x + y = -3
2x + 3y = -16




What is the SUM of x and y?
3x - 2y = 27
2x + 3y = -8




What is the SUM of x and y?
2x - 2y = -28
3x - 3y = -42




+(         )

 

(         )+

++[[          ]]++

639    6 6 1 -3 -2 ( 8 )   7 2 -5 -1 2 ( 5 )   [[ 13 ]]