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

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What is the SUM of x and y?
7x + y = -21
8x + y = -25




What is the SUM of x and y?
7x - 7y = -28
2x - 7y = -28




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




What is the SUM of x and y?
5x - 6y = -20
5x - 3y = -20




What is the SUM of x and y?
2x - 2y = -10
7x + 9y = 77

What is the SUM of x and y?
4x + 6y = 14
2x + y = -3




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




What is the SUM of x and y?
6x + 5y = -40
9x + 6y = -57




What is the SUM of x and y?
5x + 6y = -2
4x - 2y = 12




What is the SUM of x and y?
6x + 5y = 49
6x - 5y = -1

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