SOLUTION: i solved this problem and i keep coming up with decimal answers, i am stuck please help.... "solving system of linear equation by elimination" problem( x+y=-16)

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Question 240875: i solved this problem and i keep coming up with decimal answers, i am stuck please help....
"solving system of linear equation by elimination"
problem( x+y=-16)
3x+y=-30
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=-16
3x+y=-30
----------- Subtract
-2x = 14
x = -7
---------
y = -9