169  SystemEq2
What is the SUM of x and y? 2

Name : _________________

 

refresh

What is the SUM of x and y?
3x + y = 20
3x - y = 28




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




What is the SUM of x and y?
3x + y = 20
2x - 2y = 0




What is the SUM of x and y?
3x - 3y = 18
2x + 3y = 12




What is the SUM of x and y?
2x - 3y = -29
3x - 3y = -33




What is the SUM of x and y?
3x - 3y = 21
2x - 3y = 13




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




What is the SUM of x and y?
3x - 3y = -42
2x - 3y = -36




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




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




+(         )

 

(         )+

++[[          ]]++

169    4 -3 10 6 3 ( 20 )   9 -4 2 10 1 ( 18 )   [[ 38 ]]