x+18=7-(4x+9)

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Solution for x+18=7-(4x+9) equation: 



x+18=7-(4x+9)

We move all terms to the left:

x+18-(7-(4x+9))=0



We calculate terms in parentheses: -(7-(4x+9)), so:

7-(4x+9)

determiningTheFunctionDomain
-(4x+9)+7

We get rid of parentheses

-4x-9+7

We add all the numbers together, and all the variables

-4x-2

Back to the equation:

-(-4x-2)



We get rid of parentheses

x+4x+2+18=0

We add all the numbers together, and all the variables

5x+20=0

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

5x=-20

x=-20/5

x=-4

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