-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

-20c+1=0

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

-20c=-1

c=-1/-20

c=1/20

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