-29-a=-2(a+1)-8a

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Solution for -29-a=-2(a+1)-8a equation: 



-29-a=-2(a+1)-8a

We move all terms to the left:

-29-a-(-2(a+1)-8a)=0

We add all the numbers together, and all the variables

-1a-(-2(a+1)-8a)-29=0



We calculate terms in parentheses: -(-2(a+1)-8a), so:

-2(a+1)-8a

We add all the numbers together, and all the variables

-8a-2(a+1)

We multiply parentheses

-8a-2a-2

We add all the numbers together, and all the variables

-10a-2

Back to the equation:

-(-10a-2)



We get rid of parentheses

-1a+10a+2-29=0

We add all the numbers together, and all the variables

9a-27=0

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

9a=27

a=27/9

a=3

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