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

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What is the SUM of x and y?
x - 2y = -12
2x + y = -4




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




What is the SUM of x and y?
3x - 2y = -15
x - y = -5




What is the SUM of x and y?
x - 3y = 16
3x + 2y = 15




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

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




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




What is the SUM of x and y?
x + 2y = 11
2x + 3y = 20




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




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

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300    0 9 -5 4 0 ( 8 )   -3 -9 9 5 3 ( 5 )   [[ 13 ]]