21+3c=-c+28

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Solution for 21+3c=-c+28 equation: 



21+3c=-c+28

We move all terms to the left:

21+3c-(-c+28)=0

We add all the numbers together, and all the variables

3c-(-1c+28)+21=0

We get rid of parentheses

3c+1c-28+21=0

We add all the numbers together, and all the variables

4c-7=0

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

4c=7

c=7/4

c=1+3/4

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