-2(a+4)+1=-9a-1

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Solution for -2(a+4)+1=-9a-1 equation: 



-2(a+4)+1=-9a-1

We move all terms to the left:

-2(a+4)+1-(-9a-1)=0

We multiply parentheses

-2a-(-9a-1)-8+1=0

We get rid of parentheses

-2a+9a+1-8+1=0

We add all the numbers together, and all the variables

7a-6=0

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

7a=6

a=6/7

a=6/7

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