138=9x-4+(12x+8-180)

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Solution for 138=9x-4+(12x+8-180) equation: 



138=9x-4+(12x+8-180)

We move all terms to the left:

138-(9x-4+(12x+8-180))=0

We add all the numbers together, and all the variables

-(9x-4+(12x-172))+138=0



We calculate terms in parentheses: -(9x-4+(12x-172)), so:

9x-4+(12x-172)

determiningTheFunctionDomain
9x+(12x-172)-4

We get rid of parentheses

9x+12x-172-4

We add all the numbers together, and all the variables

21x-176

Back to the equation:

-(21x-176)



We get rid of parentheses

-21x+176+138=0

We add all the numbers together, and all the variables

-21x+314=0

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

-21x=-314

x=-314/-21

x=14+20/21

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