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

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What is the SUM of x and y?
2x - y = -6
2x + 3y = 18




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




What is the SUM of x and y?
2x - 2y = -10
x - 2y = -8




What is the SUM of x and y?
2x - 2y = -10
2x - 3y = -12




What is the SUM of x and y?
3x - y = 17
2x + y = 13

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




What is the SUM of x and y?
3x + 2y = -9
x + 2y = -7




What is the SUM of x and y?
2x - 3y = -13
2x + y = 7




What is the SUM of x and y?
2x - y = 17
x - y = 11




What is the SUM of x and y?
x - y = 1
3x - y = -7

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