7c-9=9(c-8)+4c

Solution for 7c-9=9(c-8)+4c equation:

7c-9=9(c-8)+4c

We move all terms to the left:

7c-9-(9(c-8)+4c)=0


We calculate terms in parentheses: -(9(c-8)+4c), so:

9(c-8)+4c

We add all the numbers together, and all the variables

4c+9(c-8)

We multiply parentheses

4c+9c-72

We add all the numbers together, and all the variables

13c-72

Back to the equation:

-(13c-72)


We get rid of parentheses

7c-13c+72-9=0

We add all the numbers together, and all the variables

-6c+63=0

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

-6c=-63

c=-63/-6

c=10+1/2