8c+4=21

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Solution for 8c+4=21 equation: 



8c+4=21

We move all terms to the left:

8c+4-(21)=0

We add all the numbers together, and all the variables

8c-17=0

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

8c=17

c=17/8

c=2+1/8

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