SOLUTION: a-6 divided by a +15 equals 2a divided by 2a + 6

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Question 623410: a-6 divided by a +15 equals 2a divided by 2a + 6
Answer by jim_thompson5910(35256) About Me  (Show Source):
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%28a-6%29%2F%28a%2B15%29+=+%282a%29%2F%282a%2B6%29

%28a-6%29%282a%2B6%29+=+2a%28a%2B15%29

2a%5E2%2B6a-12a-36+=+2a%28a%2B15%29

2a%5E2%2B6a-12a-36+=+2a%5E2%2B30a

2a%5E2%2B6a-12a-36+-+2a%5E2-30a+=+0

-36a-36+=+0

-36a+=+36

a+=+36%2F%28-36%29

a+=+-1

So the solution is a+=+-1

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