SOLUTION: Solve by the elimination method x+8y=54 -x+9y=48

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Question 145835: Solve by the elimination method

x+8y=54
-x+9y=48

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given system



Add the two equations. Notice that the x terms cancel out.


Simplify


Divide both sides by 17 to isolate y


Go back to the first equation


Plug in


Multiply


Subtract 48 from both sides



So our answers are and

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