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

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What is the SUM of x and y?
4x + 9y = -21
9x + 3y = 39




What is the SUM of x and y?
6x + 2y = 32
8x - 4y = 56




What is the SUM of x and y?
8x - 2y = -18
8x + y = -15




What is the SUM of x and y?
3x + 9y = -60
7x + 2y = -45




What is the SUM of x and y?
2x - 7y = 49
5x - 7y = 70

What is the SUM of x and y?
6x + 8y = 22
9x - 2y = 47




What is the SUM of x and y?
2x - 2y = 0
9x - 9y = 0




What is the SUM of x and y?
3x + 4y = 1
5x - 4y = 23




What is the SUM of x and y?
4x + 2y = -6
5x - 5y = -45




What is the SUM of x and y?
5x + 7y = 1
4x - 9y = 30

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