SOLUTION: Find the intersection of the lines below. 5x+y=15 3x-3y=9

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Question 862599: Find the intersection of the lines below.
5x+y=15
3x-3y=9
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Multiply the first equation by 3 and add to the second.
15x%2B3y%2B3x-3y=45%2B9
18x=54
x=3
Then use either equation to solve for y
3x-3y=9
x-y=3
3-y=3
y=0