81-(4x+16)=4(x+5)+x

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Solution for 81-(4x+16)=4(x+5)+x equation: 



81-(4x+16)=4(x+5)+x

We move all terms to the left:

81-(4x+16)-(4(x+5)+x)=0

We get rid of parentheses

-4x-(4(x+5)+x)-16+81=0



We calculate terms in parentheses: -(4(x+5)+x), so:

4(x+5)+x

We add all the numbers together, and all the variables

x+4(x+5)

We multiply parentheses

x+4x+20

We add all the numbers together, and all the variables

5x+20

Back to the equation:

-(5x+20)



We add all the numbers together, and all the variables

-4x-(5x+20)+65=0

We get rid of parentheses

-4x-5x-20+65=0

We add all the numbers together, and all the variables

-9x+45=0

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

-9x=-45

x=-45/-9

x=+5

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