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

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What is the SUM of x and y?
5x + 7y = -11
7x + 6y = -4




What is the SUM of x and y?
3x + 9y = 3
6x + 2y = 38




What is the SUM of x and y?
9x + 6y = 42
2x - 6y = -42




What is the SUM of x and y?
2x - 8y = -58
4x + 6y = 38




What is the SUM of x and y?
2x + 9y = 28
3x + y = -8




What is the SUM of x and y?
6x - 3y = 36
5x - 4y = 27




What is the SUM of x and y?
9x - 9y = -45
4x - 7y = -38




What is the SUM of x and y?
8x - 3y = 14
2x - 3y = -10




What is the SUM of x and y?
4x + 3y = 11
6x - 8y = 4




What is the SUM of x and y?
6x - 8y = -48
8x - 3y = -41




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688    -1 5 7 6 0 ( 17 )   9 7 10 3 -1 ( 28 )   [[ 45 ]]