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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?
2x - y = 7
9x + y = 15




What is the SUM of x and y?
7x + 3y = 18
9x + 4y = 24




What is the SUM of x and y?
5x + 2y = 11
9x + 6y = 27




What is the SUM of x and y?
2x + 8y = 22
9x + y = -41




What is the SUM of x and y?
6x + 9y = 12
5x - 6y = -44

What is the SUM of x and y?
8x + y = 18
5x - 7y = -4




What is the SUM of x and y?
6x - 8y = -78
5x - 7y = -67




What is the SUM of x and y?
7x - 8y = 67
9x - 7y = 73




What is the SUM of x and y?
5x - 7y = 14
7x + 4y = 61




What is the SUM of x and y?
9x + 2y = 1
9x - 6y = -39

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