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

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What is the SUM of x and y?
5x - 5y = -15
7x + 9y = -5




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




What is the SUM of x and y?
4x - y = -17
4x - 3y = -11




What is the SUM of x and y?
3x + 8y = -39
3x - 4y = -3




What is the SUM of x and y?
4x + y = 14
7x + 9y = 10

What is the SUM of x and y?
6x + 5y = 53
5x + 9y = 78




What is the SUM of x and y?
7x - 9y = -21
4x + 5y = 59




What is the SUM of x and y?
3x - y = 0
2x - 6y = 0




What is the SUM of x and y?
8x + y = -9
7x + 4y = -11




What is the SUM of x and y?
2x - 8y = 20
7x - 2y = 44

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