a-0.09a=15.28-a

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Solution for a-0.09a=15.28-a equation: 



a-0.09a=15.28-a

We move all terms to the left:

a-0.09a-(15.28-a)=0

We add all the numbers together, and all the variables

a-0.09a-(-1a+15.28)=0

We add all the numbers together, and all the variables

0.91a-(-1a+15.28)=0

We get rid of parentheses

0.91a+1a-15.28=0

We add all the numbers together, and all the variables

1.91a-15.28=0

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

1.91a=15.28

a=15.28/1.91

a=8

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