SOLUTION: 2x+6y=15 4x+6y=15 solve for x and y

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Question 382008: 2x+6y=15
4x+6y=15
solve for x and y
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
1.2x%2B6y=15
2.4x%2B6y=15
Multiply eq. 1 by (-2) and add to eq. 2,
-4x-12y%2B4x%2B6y=-30%2B15
-6y=-15
highlight%28y=5%2F2%29
Then from eq. 1,
2x%2B15=15
2x=0
highlight%28x=0%29