(2x+7)=(21)

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Solution for (2x+7)=(21) equation: 



(2x+7)=(21)

We move all terms to the left:

(2x+7)-((21))=0

determiningTheFunctionDomain
(2x+7)-21=0

We get rid of parentheses

2x+7-21=0

We add all the numbers together, and all the variables

2x-14=0

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

2x=14

x=14/2

x=7

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