-8=11(9+a)-1

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Solution for -8=11(9+a)-1 equation: 



-8=11(9+a)-1

We move all terms to the left:

-8-(11(9+a)-1)=0

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(11(a+9)-1), so:

11(a+9)-1

We multiply parentheses

11a+99-1

We add all the numbers together, and all the variables

11a+98

Back to the equation:

-(11a+98)



We get rid of parentheses

-11a-98-8=0

We add all the numbers together, and all the variables

-11a-106=0

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

-11a=106

a=106/-11

a=-9+7/11

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