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

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




What is the SUM of x and y?
3x + y = 4
x - 3y = 8




What is the SUM of x and y?
x + 3y = -12
2x + 3y = -9




What is the SUM of x and y?
x + 2y = 13
2x - y = 11




What is the SUM of x and y?
x - y = 8
3x + y = 20




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




What is the SUM of x and y?
2x + y = 20
x - y = 1




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




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




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




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