970  SystemEq1
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?
3x + 2y = 21
x + 2y = 11




What is the SUM of x and y?
3x + y = -7
3x - 3y = -27




What is the SUM of x and y?
2x - 3y = -1
3x - 3y = 6




What is the SUM of x and y?
3x + y = -11
x - y = -5




What is the SUM of x and y?
3x + 2y = -11
x - 2y = -1




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




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




What is the SUM of x and y?
3x - y = 6
2x - y = 4




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




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970    11 8 1 12 -3 ( 29 )   -4 3 -5 2 -7 ( -11 )   [[ 18 ]]