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

Name : _________________

 

refresh

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




What is the SUM of x and y?
3x - 2y = 9
3x + y = 0




What is the SUM of x and y?
2x + 3y = 14
3x - 3y = -39




What is the SUM of x and y?
3x + y = 19
3x - y = 17




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




What is the SUM of x and y?
3x + 2y = 6
3x - y = 15




What is the SUM of x and y?
2x - y = 17
2x + y = 11




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




What is the SUM of x and y?
3x - y = 20
2x - 3y = 4




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




+(         )

 

(         )+

++[[          ]]++

390    -3 -2 3 7 10 ( 15 )   1 4 10 12 -6 ( 21 )   [[ 36 ]]