280  SystemEq2
What is the SUM of x and y? 1

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What is the SUM of x and y?
3x - y = -23
3x + y = -7




What is the SUM of x and y?
3x + 2y = -6
3x + y = -12




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




What is the SUM of x and y?
2x - y = -10
3x - 2y = -15




What is the SUM of x and y?
3x + 2y = -19
3x - 3y = -9

What is the SUM of x and y?
2x - 3y = -6
3x + 2y = -22




What is the SUM of x and y?
3x + y = 3
2x - 3y = 13




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




What is the SUM of x and y?
3x + 2y = 18
2x - 2y = 2




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

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280    3 0 2 -5 -7 ( -7 )   -8 -1 -5 7 2 ( -5 )   [[ -12 ]]