(3c/8)+18=21

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Solution for (3c/8)+18=21 equation: 



(3c/8)+18=21

We move all terms to the left:

(3c/8)+18-(21)=0

We add all the numbers together, and all the variables

(+3c/8)+18-21=0

We add all the numbers together, and all the variables

(+3c/8)-3=0

We get rid of parentheses

3c/8-3=0

We multiply all the terms by the denominator


3c-3*8=0

We add all the numbers together, and all the variables

3c-24=0

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

3c=24

c=24/3

c=8

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