193  SystemEq1
What is the SUM of x and y? 1

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




What is the SUM of x and y?
3x + y = 17
x + 3y = 19




What is the SUM of x and y?
x + 2y = 20
2x + 3y = 33




What is the SUM of x and y?
2x - 2y = -10
3x - y = -7




What is the SUM of x and y?
2x - y = 13
3x + y = 7




What is the SUM of x and y?
3x - 3y = -9
2x + 3y = -16




What is the SUM of x and y?
x - 3y = 4
3x + y = 22




What is the SUM of x and y?
2x + y = 0
x - 3y = -21




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




What is the SUM of x and y?
3x + y = 11
x + 3y = 1




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193    -7 9 13 3 -1 ( 17 )   -7 8 3 -3 3 ( 4 )   [[ 21 ]]