3a-15=5a

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Solution for 3a-15=5a equation: 



3a-15=5a

We move all terms to the left:

3a-15-(5a)=0

We add all the numbers together, and all the variables

-2a-15=0

We move all terms containing a to the left, all other terms to the right

-2a=15

a=15/-2

a=-7+1/2

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