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(4+2)2+x=81
We move all terms to the left:
(4+2)2+x-(81)=0
determiningTheFunctionDomain x-81+(4+2)2=0
We add all the numbers together, and all the variables
x-81+62=0
We add all the numbers together, and all the variables
x-19=0
We move all terms containing x to the left, all other terms to the right
x=19
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