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What is the SUM of x and y? 1

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What is the SUM of x and y?
8x - 4y = 28
6x - 3y = 21




What is the SUM of x and y?
9x + 7y = 103
9x - 9y = -9




What is the SUM of x and y?
5x + 6y = 35
7x - y = 2




What is the SUM of x and y?
5x - 5y = -40
4x + 6y = 38




What is the SUM of x and y?
5x + y = -16
7x + 6y = -4




What is the SUM of x and y?
4x + 8y = -4
2x - 4y = -18




What is the SUM of x and y?
2x - 9y = 49
7x + 8y = -26




What is the SUM of x and y?
5x - 8y = -15
4x + 5y = 45




What is the SUM of x and y?
4x - 4y = 4
3x + 6y = 12




What is the SUM of x and y?
6x + 4y = 36
9x - 8y = 54




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