7c-3=-8c+42

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Solution for 7c-3=-8c+42 equation: 



7c-3=-8c+42

We move all terms to the left:

7c-3-(-8c+42)=0

We get rid of parentheses

7c+8c-42-3=0

We add all the numbers together, and all the variables

15c-45=0

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

15c=45

c=45/15

c=3

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