c+18=30;c=12

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Solution for c+18=30;c=12 equation: 



c+18=30c=12

We move all terms to the left:

c+18-(30c)=0

We add all the numbers together, and all the variables

-29c+18=0

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

-29c=-18

c=-18/-29

c=18/29

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