7c+9=12c-4

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Solution for 7c+9=12c-4 equation: 



7c+9=12c-4

We move all terms to the left:

7c+9-(12c-4)=0

We get rid of parentheses

7c-12c+4+9=0

We add all the numbers together, and all the variables

-5c+13=0

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

-5c=-13

c=-13/-5

c=2+3/5

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