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

Name : _________________

 

refresh

What is the SUM of x and y?
x - y = 11
x - 3y = 21




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




What is the SUM of x and y?
2x + y = 11
3x + y = 16




What is the SUM of x and y?
2x + y = 14
2x - 3y = 6




What is the SUM of x and y?
3x - 3y = 0
2x + y = 18




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




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




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




What is the SUM of x and y?
3x + 2y = 5
x + 2y = 11




What is the SUM of x and y?
3x - 3y = -21
2x + y = -5




+(         )

 

(         )+

++[[          ]]++

990    1 1 6 8 12 ( 28 )   -1 -3 6 4 -1 ( 5 )   [[ 33 ]]