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

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What is the SUM of x and y?
3x + 9y = 21
2x - 9y = -1




What is the SUM of x and y?
7x - 7y = 49
7x + 6y = 49




What is the SUM of x and y?
4x + 2y = -2
8x + 3y = -11




What is the SUM of x and y?
5x - 9y = 51
5x + 2y = 7




What is the SUM of x and y?
3x - 7y = 9
6x - 2y = 18

What is the SUM of x and y?
4x - 4y = 24
6x + 4y = 16




What is the SUM of x and y?
7x + 4y = 9
2x - 9y = 33




What is the SUM of x and y?
6x - 3y = 30
4x + y = 20




What is the SUM of x and y?
6x + 8y = -34
8x - 3y = 23




What is the SUM of x and y?
7x + 4y = -33
9x - 2y = -21

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