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

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What is the SUM of x and y?
2x - y = 13
2x + y = 7




What is the SUM of x and y?
2x - 2y = 28
2x - 3y = 34




What is the SUM of x and y?
2x - 2y = -18
2x - 3y = -22




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




What is the SUM of x and y?
3x - y = 11
2x - 3y = 12




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




What is the SUM of x and y?
2x - 3y = -17
3x + 2y = 7




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




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




What is the SUM of x and y?
2x + 3y = -12
3x + 2y = -13




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840    2 2 -1 9 1 ( 13 )   4 4 5 -5 -5 ( 3 )   [[ 16 ]]