-4n-5n=7(7-7n)+6(1+6n)

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Solution for -4n-5n=7(7-7n)+6(1+6n) equation: 



-4n-5n=7(7-7n)+6(1+6n)

We move all terms to the left:

-4n-5n-(7(7-7n)+6(1+6n))=0

We add all the numbers together, and all the variables

-4n-5n-(7(-7n+7)+6(6n+1))=0

We add all the numbers together, and all the variables

-9n-(7(-7n+7)+6(6n+1))=0



We calculate terms in parentheses: -(7(-7n+7)+6(6n+1)), so:

7(-7n+7)+6(6n+1)

We multiply parentheses

-49n+36n+49+6

We add all the numbers together, and all the variables

-13n+55

Back to the equation:

-(-13n+55)



We get rid of parentheses

-9n+13n-55=0

We add all the numbers together, and all the variables

4n-55=0

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

4n=55

n=55/4

n=13+3/4

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