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

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What is the SUM of x and y?
3x + 7y = -20
8x - 8y = 80




What is the SUM of x and y?
6x - 8y = -70
4x - 6y = -50




What is the SUM of x and y?
8x - 4y = 28
9x + 8y = 44




What is the SUM of x and y?
7x - 4y = 20
4x - 6y = 4




What is the SUM of x and y?
8x + 7y = 6
6x - 2y = -10

What is the SUM of x and y?
4x - 9y = -21
6x - 9y = -27




What is the SUM of x and y?
9x + 5y = 60
4x - 4y = 8




What is the SUM of x and y?
3x - 7y = -21
4x + 6y = 64




What is the SUM of x and y?
9x + 4y = 22
8x - 2y = 14




What is the SUM of x and y?
2x - 5y = -14
6x - 3y = -18

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