16=7+9(x-18)

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Solution for 16=7+9(x-18) equation: 



16=7+9(x-18)

We move all terms to the left:

16-(7+9(x-18))=0



We calculate terms in parentheses: -(7+9(x-18)), so:

7+9(x-18)

determiningTheFunctionDomain
9(x-18)+7

We multiply parentheses

9x-162+7

We add all the numbers together, and all the variables

9x-155

Back to the equation:

-(9x-155)



We get rid of parentheses

-9x+155+16=0

We add all the numbers together, and all the variables

-9x+171=0

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

-9x=-171

x=-171/-9

x=+19

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