63=(5-2a)9

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Solution for 63=(5-2a)9 equation: 



63=(5-2a)9

We move all terms to the left:

63-((5-2a)9)=0

We add all the numbers together, and all the variables

-((-2a+5)9)+63=0



We calculate terms in parentheses: -((-2a+5)9), so:

(-2a+5)9

We multiply parentheses

-18a+45

Back to the equation:

-(-18a+45)



We get rid of parentheses

18a-45+63=0

We add all the numbers together, and all the variables

18a+18=0

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

18a=-18

a=-18/18

a=-1

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