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

Name : _________________

 

refresh

What is the SUM of x and y?
3x - 3y = 21
3x - y = 9




What is the SUM of x and y?
3x + y = 7
3x - 3y = -21




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




What is the SUM of x and y?
2x + 3y = 21
2x - 2y = 6




What is the SUM of x and y?
3x + y = 28
2x - y = 12




What is the SUM of x and y?
2x - 3y = 8
3x - 3y = 9




What is the SUM of x and y?
3x - 3y = 9
3x + y = 5




What is the SUM of x and y?
3x + 2y = -24
2x - 3y = -3




What is the SUM of x and y?
3x - 2y = -22
2x - y = -12




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




+(         )

 

(         )+

++[[          ]]++

641    -5 7 5 9 12 ( 28 )   -1 1 -9 6 3 ( 0 )   [[ 28 ]]