-21-8=-1+6(4-5n)

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Solution for -21-8=-1+6(4-5n) equation: 



-21-8=-1+6(4-5n)

We move all terms to the left:

-21-8-(-1+6(4-5n))=0

We add all the numbers together, and all the variables

-(-1+6(-5n+4))-21-8=0

We add all the numbers together, and all the variables

-(-1+6(-5n+4))-29=0



We calculate terms in parentheses: -(-1+6(-5n+4)), so:

-1+6(-5n+4)

determiningTheFunctionDomain
6(-5n+4)-1

We multiply parentheses

-30n+24-1

We add all the numbers together, and all the variables

-30n+23

Back to the equation:

-(-30n+23)



We get rid of parentheses

30n-23-29=0

We add all the numbers together, and all the variables

30n-52=0

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

30n=52

n=52/30

n=1+11/15

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