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

Name : _________________

 

refresh

What is the SUM of x and y?
3x + y = 3
3x - 4y = -27




What is the SUM of x and y?
8x - y = -17
6x + y = -11




What is the SUM of x and y?
7x + y = 14
5x - 9y = 10




What is the SUM of x and y?
8x - 2y = 54
6x + 2y = 44




What is the SUM of x and y?
7x - 9y = 41
3x + 4y = -6




What is the SUM of x and y?
7x + y = 21
4x + 8y = 12




What is the SUM of x and y?
4x + 7y = 27
6x - 4y = -32




What is the SUM of x and y?
5x - y = 21
4x + 2y = 28




What is the SUM of x and y?
7x - 3y = 55
8x + 5y = 46




What is the SUM of x and y?
4x - y = 12
3x - 6y = 30




+(         )

 

(         )+

++[[          ]]++

507    5 -1 2 8 -1 ( 13 )   3 3 9 5 -2 ( 18 )   [[ 31 ]]