978  SystemEq3
What is the SUM of x and y? 1

Name : _________________

  

refresh

What is the SUM of x and y?
5x - 5y = 15
4x - 6y = 6




What is the SUM of x and y?
6x + 8y = -26
9x + 4y = -31




What is the SUM of x and y?
9x + 4y = 24
3x + 9y = -15




What is the SUM of x and y?
5x - 6y = -15
5x - y = -15




What is the SUM of x and y?
5x - 7y = -32
6x - 8y = -38

What is the SUM of x and y?
4x + 6y = -24
7x + 2y = -25




What is the SUM of x and y?
7x + 4y = 14
3x + 8y = 50




What is the SUM of x and y?
8x + 9y = 55
7x - 4y = -35




What is the SUM of x and y?
6x - 6y = -30
5x - 4y = -18




What is the SUM of x and y?
8x + 5y = 51
9x - 7y = 70

+(         )

 

(         )+

++[[          ]]++
978    9 -4 1 -3 -4 ( -1 )   -5 5 6 9 6 ( 21 )   [[ 20 ]]