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

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What is the SUM of x and y?
3x + 7y = 10
7x + 9y = 16




What is the SUM of x and y?
3x + y = 10
5x + 9y = 2




What is the SUM of x and y?
7x - 7y = -7
9x - y = 47




What is the SUM of x and y?
6x - 3y = -21
4x - 4y = -16




What is the SUM of x and y?
2x - 2y = 4
9x + 5y = 18




What is the SUM of x and y?
7x + 4y = -29
6x - 4y = -10




What is the SUM of x and y?
5x - 3y = -17
9x + 4y = 7




What is the SUM of x and y?
2x - y = -10
9x + 7y = 1




What is the SUM of x and y?
8x - 4y = 24
2x - 7y = 6




What is the SUM of x and y?
7x - 4y = 6
8x - 9y = 29




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620    2 2 13 -2 2 ( 17 )   -5 3 1 3 -7 ( -5 )   [[ 12 ]]