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

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What is the SUM of x and y?
3x - 3y = -21
2x - y = -11




What is the SUM of x and y?
2x + y = -9
2x - 2y = -12




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




What is the SUM of x and y?
x - 3y = 9
2x - y = 13




What is the SUM of x and y?
x - 3y = 5
2x + y = 10

What is the SUM of x and y?
x - y = 1
3x + 2y = 33




What is the SUM of x and y?
x - y = -6
x - 3y = -20




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




What is the SUM of x and y?
2x + y = 18
3x + 2y = 30




What is the SUM of x and y?
x - y = -10
3x + y = -6

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