-9=11-4(2x+1)+(x+5)

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Solution for -9=11-4(2x+1)+(x+5) equation: 



-9=11-4(2x+1)+(x+5)

We move all terms to the left:

-9-(11-4(2x+1)+(x+5))=0



We calculate terms in parentheses: -(11-4(2x+1)+(x+5)), so:

11-4(2x+1)+(x+5)

determiningTheFunctionDomain
-4(2x+1)+(x+5)+11

We multiply parentheses

-8x+(x+5)-4+11

We get rid of parentheses

-8x+x+5-4+11

We add all the numbers together, and all the variables

-7x+12

Back to the equation:

-(-7x+12)



We get rid of parentheses

7x-12-9=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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