618  SystemEq3
What is the SUM of x and y? 2

Name : _________________

 

refresh

What is the SUM of x and y?
9x + 4y = 21
7x + 9y = 34




What is the SUM of x and y?
5x - 4y = 27
7x - 7y = 42




What is the SUM of x and y?
4x + 3y = 2
4x - 7y = -58




What is the SUM of x and y?
2x - y = -2
7x - 7y = -21




What is the SUM of x and y?
2x + 9y = 46
3x + 4y = 31




What is the SUM of x and y?
5x + 2y = 8
7x - 2y = 16




What is the SUM of x and y?
9x - 3y = 9
7x - 5y = 7




What is the SUM of x and y?
5x - 7y = -29
4x - y = -14




What is the SUM of x and y?
5x + 8y = -7
7x - 5y = 55




What is the SUM of x and y?
7x + 2y = 39
4x - 9y = 2




+(         )

 

(         )+

++[[          ]]++

618    4 0 2 5 9 ( 20 )   1 1 -1 1 7 ( 9 )   [[ 29 ]]