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

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What is the SUM of x and y?
3x + y = 21
3x - y = 9




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




What is the SUM of x and y?
3x + 2y = 10
x - y = 5




What is the SUM of x and y?
3x + 2y = 10
2x - 2y = 0




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

What is the SUM of x and y?
3x - y = 13
3x - 2y = 17




What is the SUM of x and y?
3x + 2y = -12
x - 3y = 7




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




What is the SUM of x and y?
3x - 3y = 12
3x - 2y = 14




What is the SUM of x and y?
3x + y = 1
x - 3y = 17

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