-21=(1/2)c-11

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Solution for -21=(1/2)c-11 equation: 



-21=(1/2)c-11

We move all terms to the left:

-21-((1/2)c-11)=0



Domain of the equation: 2)c-11)!=0

c!=0/1

c!=0

c∈R



We add all the numbers together, and all the variables

-((+1/2)c-11)-21=0

We multiply all the terms by the denominator


-((+1-21*2)c-11)=0



We calculate terms in parentheses: -((+1-21*2)c-11), so:

(+1-21*2)c-11

We add all the numbers together, and all the variables

(-41)c-11

We multiply parentheses

-41c-11

Back to the equation:

-(-41c-11)



We get rid of parentheses

41c+11=0

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

41c=-11

c=-11/41

c=-11/41

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