20.5=9+8(c+3)

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Solution for 20.5=9+8(c+3) equation: 



20.5=9+8(c+3)

We move all terms to the left:

20.5-(9+8(c+3))=0



We calculate terms in parentheses: -(9+8(c+3)), so:

9+8(c+3)

determiningTheFunctionDomain
8(c+3)+9

We multiply parentheses

8c+24+9

We add all the numbers together, and all the variables

8c+33

Back to the equation:

-(8c+33)



We get rid of parentheses

-8c-33+20.5=0

We add all the numbers together, and all the variables

-8c-12.5=0

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

-8c=12.5

c=12.5/-8

c=-1+1/1.7777777777778

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