3c-30=42

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Solution for 3c-30=42 equation: 



3c-30=42

We move all terms to the left:

3c-30-(42)=0

We add all the numbers together, and all the variables

3c-72=0

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

3c=72

c=72/3

c=24

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