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

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What is the SUM of x and y?
7x - 8y = -39
4x + 8y = 28




What is the SUM of x and y?
2x + 4y = 6
5x + 8y = 15




What is the SUM of x and y?
2x + 7y = 25
3x + 4y = 18




What is the SUM of x and y?
4x - 4y = 20
2x + y = 10




What is the SUM of x and y?
6x + 7y = 16
8x + 9y = 20

What is the SUM of x and y?
7x + y = -27
9x + 8y = -28




What is the SUM of x and y?
8x + 3y = 26
6x - 6y = -30




What is the SUM of x and y?
7x - 4y = -13
9x - 7y = -26




What is the SUM of x and y?
5x - 9y = 8
3x - 9y = 12




What is the SUM of x and y?
8x - 9y = 25
4x - 7y = 15

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