449  SystemEq1
What is the SUM of x and y? 2

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What is the SUM of x and y?
3x - 3y = -21
3x + y = -1




What is the SUM of x and y?
3x - y = 4
x - y = 0




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




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




What is the SUM of x and y?
x + 3y = -4
3x - 2y = 10

What is the SUM of x and y?
2x - 3y = 4
3x - y = 6




What is the SUM of x and y?
3x - y = 18
2x + 3y = 23




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




What is the SUM of x and y?
x + 3y = -11
2x - y = 6




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

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449    3 4 -4 -4 0 ( -1 )   2 10 1 -3 1 ( 11 )   [[ 10 ]]