SOLUTION: Use the elimination method to solve the system. 7x−y=39 8x−y=47

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Question 911431: Use the elimination method to solve the system.
7x−y=39
8x−y=47
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Subtract eq. 1 from eq. 2,
8x-y-%287x-y%29=47-39
8x-y-7x%2By=8
x=8
Then,
7%288%29-y=39
y=56-39
y=17