688  SystemEq3
What is the SUM of x and y? 1

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What is the SUM of x and y?
5x + 3y = 31
5x - 7y = -39




What is the SUM of x and y?
6x + 5y = 51
2x - y = 9




What is the SUM of x and y?
9x - 2y = -39
6x - 4y = -42




What is the SUM of x and y?
7x + 9y = 16
8x + 4y = 12




What is the SUM of x and y?
3x + 4y = -11
2x + 8y = -34

What is the SUM of x and y?
7x - 3y = 13
2x + 4y = -6




What is the SUM of x and y?
8x + 3y = -9
3x + 2y = -6




What is the SUM of x and y?
3x - 6y = -18
2x + 9y = 40




What is the SUM of x and y?
4x - 5y = -1
3x - 9y = -6




What is the SUM of x and y?
8x + 6y = 66
7x - 9y = -42

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