9(n-4)-7n=-2(n-2)

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Solution for 9(n-4)-7n=-2(n-2) equation: 



9(n-4)-7n=-2(n-2)

We move all terms to the left:

9(n-4)-7n-(-2(n-2))=0

We add all the numbers together, and all the variables

-7n+9(n-4)-(-2(n-2))=0

We multiply parentheses

-7n+9n-(-2(n-2))-36=0



We calculate terms in parentheses: -(-2(n-2)), so:

-2(n-2)

We multiply parentheses

-2n+4

Back to the equation:

-(-2n+4)



We add all the numbers together, and all the variables

2n-(-2n+4)-36=0

We get rid of parentheses

2n+2n-4-36=0

We add all the numbers together, and all the variables

4n-40=0

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

4n=40

n=40/4

n=10

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