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

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What is the SUM of x and y?
3x + y = -13
3x - y = -23




What is the SUM of x and y?
2x - 3y = -18
3x + y = 6




What is the SUM of x and y?
2x + 3y = -21
3x - 2y = -12




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




What is the SUM of x and y?
2x - y = 6
3x - 3y = 15

What is the SUM of x and y?
2x + y = -1
2x + 3y = 9




What is the SUM of x and y?
2x + y = 10
2x - 3y = 18




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




What is the SUM of x and y?
2x - y = 11
2x + 3y = 7




What is the SUM of x and y?
3x - 3y = -42
2x - y = -20

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223    -1 6 -9 14 -3 ( 7 )   2 4 -1 4 2 ( 11 )   [[ 18 ]]