7+9c=8c-9c-3

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Solution for 7+9c=8c-9c-3 equation: 



7+9c=8c-9c-3

We move all terms to the left:

7+9c-(8c-9c-3)=0

We add all the numbers together, and all the variables

9c-(-1c-3)+7=0

We get rid of parentheses

9c+1c+3+7=0

We add all the numbers together, and all the variables

10c+10=0

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

10c=-10

c=-10/10

c=-1

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