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9*3+13x=141
We move all terms to the left:
9*3+13x-(141)=0
determiningTheFunctionDomain 13x-141+9*3=0
We add all the numbers together, and all the variables
13x-114=0
We move all terms containing x to the left, all other terms to the right
13x=114
x=114/13
x=8+10/13
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