7.5+15a=9a-5

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Solution for 7.5+15a=9a-5 equation: 



7.5+15a=9a-5

We move all terms to the left:

7.5+15a-(9a-5)=0

We get rid of parentheses

15a-9a+5+7.5=0

We add all the numbers together, and all the variables

6a+12.5=0

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

6a=-12.5

a=-12.5/6

a=-2+0.5/6

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