7c+12-7c=13+30c+8

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Solution for 7c+12-7c=13+30c+8 equation: 



7c+12-7c=13+30c+8

We move all terms to the left:

7c+12-7c-(13+30c+8)=0

We add all the numbers together, and all the variables

7c-7c-(30c+21)+12=0

We add all the numbers together, and all the variables

-(30c+21)+12=0

We get rid of parentheses

-30c-21+12=0

We add all the numbers together, and all the variables

-30c-9=0

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

-30c=9

c=9/-30

c=-3/10

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