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

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What is the SUM of x and y?
4x + 8y = 32
7x + 5y = 47




What is the SUM of x and y?
9x - 6y = 39
4x + 2y = 22




What is the SUM of x and y?
6x + 5y = -27
5x + 4y = -22




What is the SUM of x and y?
7x + 9y = -48
2x + 3y = -15




What is the SUM of x and y?
2x + 3y = -9
2x - 4y = 12




What is the SUM of x and y?
5x + 7y = -8
9x - 4y = 52




What is the SUM of x and y?
4x + 8y = 40
5x - 2y = -22




What is the SUM of x and y?
4x + 5y = 54
5x + 6y = 66




What is the SUM of x and y?
3x - 5y = 3
8x - 9y = 8




What is the SUM of x and y?
5x - 7y = 31
4x + 3y = -1




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990    7 6 -5 -6 -3 ( -1 )   0 4 12 1 -1 ( 16 )   [[ 15 ]]