7c+8=5c+20

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Solution for 7c+8=5c+20 equation: 



7c+8=5c+20

We move all terms to the left:

7c+8-(5c+20)=0

We get rid of parentheses

7c-5c-20+8=0

We add all the numbers together, and all the variables

2c-12=0

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

2c=12

c=12/2

c=6

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