521  SystemEq2
What is the SUM of x and y? 2

Name : _________________

 

refresh

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




What is the SUM of x and y?
2x + 3y = -7
2x + y = -9




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




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




What is the SUM of x and y?
3x - 2y = 10
3x - 3y = 12




What is the SUM of x and y?
3x - 2y = -21
2x + y = 0




What is the SUM of x and y?
3x - 2y = -20
2x - y = -12




What is the SUM of x and y?
3x - 2y = -19
3x - 3y = -27




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




What is the SUM of x and y?
2x + 3y = -6
3x + y = 5




+(         )

 

(         )+

++[[          ]]++

521    0 -4 3 9 0 ( 8 )   3 0 7 1 -1 ( 10 )   [[ 18 ]]