-9=8+a/15

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Solution for -9=8+a/15 equation: 



-9=8+a/15

We move all terms to the left:

-9-(8+a/15)=0

We add all the numbers together, and all the variables

-(a/15+8)-9=0

We get rid of parentheses

-a/15-8-9=0

We multiply all the terms by the denominator


-a-8*15-9*15=0

We add all the numbers together, and all the variables

-1a-255=0

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

-a=255

a=255/-1

a=-255

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