426  SystemEq3
What is the SUM of x and y? 2

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What is the SUM of x and y?
2x - 9y = -31
8x + 2y = -10




What is the SUM of x and y?
4x - 6y = 20
3x + 9y = -12




What is the SUM of x and y?
6x + 2y = -26
5x + 6y = -39




What is the SUM of x and y?
3x - 2y = -7
3x - 9y = 0




What is the SUM of x and y?
7x - 4y = -33
9x + 8y = -3




What is the SUM of x and y?
5x - 8y = -26
7x + 3y = -8




What is the SUM of x and y?
9x - 2y = 24
8x + 7y = -5




What is the SUM of x and y?
9x + 3y = 15
2x + 9y = -30




What is the SUM of x and y?
7x + 9y = -57
7x + 4y = -37




What is the SUM of x and y?
7x + y = -9
2x - 5y = -29




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426    1 0 -7 -4 0 ( -10 )   0 -1 -1 -7 3 ( -6 )   [[ -16 ]]