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x+121=4(5x)
We move all terms to the left:
x+121-(4(5x))=0
determiningTheFunctionDomain x-45x+121=0
We add all the numbers together, and all the variables
-44x+121=0
We move all terms containing x to the left, all other terms to the right
-44x=-121
x=-121/-44
x=2+3/4
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