13x+20=144+(x+20)

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Solution for 13x+20=144+(x+20) equation: 



13x+20=144+(x+20)

We move all terms to the left:

13x+20-(144+(x+20))=0



We calculate terms in parentheses: -(144+(x+20)), so:

144+(x+20)

determiningTheFunctionDomain
(x+20)+144

We get rid of parentheses

x+20+144

We add all the numbers together, and all the variables

x+164

Back to the equation:

-(x+164)



We get rid of parentheses

13x-x-164+20=0

We add all the numbers together, and all the variables

12x-144=0

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

12x=144

x=144/12

x=12

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