-21=1/2c+11

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



-21=1/2c+11

We move all terms to the left:

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



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

c∈R



We get rid of parentheses

-1/2c-11-21=0

We multiply all the terms by the denominator


-11*2c-21*2c-1=0

Wy multiply elements

-22c-42c-1=0

We add all the numbers together, and all the variables

-64c-1=0

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

-64c=1

c=1/-64

c=-1/64

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