SOLUTION: Help me solve the equation elimination method 5u-v=0 3u+3v=-18

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Question 475986: Help me solve the equation elimination method
5u-v=0
3u+3v=-18
Answer by Tatiana_Stebko(1539) About Me  (Show Source):
You can put this solution on YOUR website!
system%285u-v=0%2C+3u%2B3v=-18%29
Myltiply the first equation by 3
system%2815u-3v=0%2C+3u%2B3v=-18%29
Add the first equation to the second
18u=-18 divide by 18
u=-1
Substitute u=-1 into the first equation
5%2A%28-1%29-v=0
-5-v=0
-v=5
v=-5
So
system%28u=-1%2C+v=-5%29 the solution of the system
Answer: (-1, -5)