500  SystemEq1
What is the SUM of x and y? 2

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What is the SUM of x and y?
x - y = -5
3x + y = 1




What is the SUM of x and y?
3x + y = -4
3x - y = -8




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




What is the SUM of x and y?
2x - 2y = 8
x + 3y = 0




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

What is the SUM of x and y?
x - y = -10
2x - 2y = -20




What is the SUM of x and y?
2x + y = -7
x + 3y = -16




What is the SUM of x and y?
3x - 3y = -9
2x + 3y = -11




What is the SUM of x and y?
2x - y = -13
x + 3y = 11




What is the SUM of x and y?
2x - 2y = 8
x - 2y = 9

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500    3 0 -2 2 -4 ( -1 )   4 -6 -5 1 -6 ( -12 )   [[ -13 ]]