642  SystemEq1
What is the SUM of x and y? 1

Name : _________________

 

refresh

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




What is the SUM of x and y?
x - y = 6
3x - 3y = 18




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




What is the SUM of x and y?
x + 3y = -13
x - 3y = 11




What is the SUM of x and y?
3x + y = -20
2x + 3y = -25




What is the SUM of x and y?
2x - 2y = 8
3x - 3y = 12




What is the SUM of x and y?
3x + y = 9
x - 2y = 10




What is the SUM of x and y?
3x + y = 4
3x - 2y = -17




What is the SUM of x and y?
x - 3y = -23
2x - y = -16




What is the SUM of x and y?
2x - y = -1
x - y = -4




+(         )

 

(         )+

++[[          ]]++

642    1 8 -3 -5 -10 ( -9 )   -2 1 6 1 10 ( 16 )   [[ 7 ]]