8=20-(-4c)

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Solution for 8=20-(-4c) equation:



8=20-(-4c)
We move all terms to the left:
8-(20-(-4c))=0
We calculate terms in parentheses: -(20-(-4c)), so:
20-(-4c)
determiningTheFunctionDomain -(-4c)+20
We get rid of parentheses
4c+20
Back to the equation:
-(4c+20)
We get rid of parentheses
-4c-20+8=0
We add all the numbers together, and all the variables
-4c-12=0
We move all terms containing c to the left, all other terms to the right
-4c=12
c=12/-4
c=-3

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