8c+21=16-7c

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Solution for 8c+21=16-7c equation: 



8c+21=16-7c

We move all terms to the left:

8c+21-(16-7c)=0

We add all the numbers together, and all the variables

8c-(-7c+16)+21=0

We get rid of parentheses

8c+7c-16+21=0

We add all the numbers together, and all the variables

15c+5=0

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

15c=-5

c=-5/15

c=-1/3

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