SOLUTION: i have to solve this linear system and write it as a ordered pair. can you help? y=2x+7 3x-y=9

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Question 407346: i have to solve this linear system and write it as a ordered pair. can you help?
y=2x+7
3x-y=9
Answer by katealdridge(100) About Me  (Show Source):
You can put this solution on YOUR website!
Substitute 2x+7 in for y in the 2nd equation
3x-%282x%2B7%29=9
3x-2x-7=9 simplify
x-7=9combine like terms
x=16add 7 to both sides
Now substitute 16 in for x in either equation:
y=2%2816%29%2B7
y=39
(16,39)