-21-8x=-5-5(x+8)

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Solution for -21-8x=-5-5(x+8) equation: 



-21-8x=-5-5(x+8)

We move all terms to the left:

-21-8x-(-5-5(x+8))=0



We calculate terms in parentheses: -(-5-5(x+8)), so:

-5-5(x+8)

determiningTheFunctionDomain
-5(x+8)-5

We multiply parentheses

-5x-40-5

We add all the numbers together, and all the variables

-5x-45

Back to the equation:

-(-5x-45)



We get rid of parentheses

-8x+5x+45-21=0

We add all the numbers together, and all the variables

-3x+24=0

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

-3x=-24

x=-24/-3

x=+8

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