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u-512/13=31
We move all terms to the left:
u-512/13-(31)=0
determiningTheFunctionDomain u-31-512/13=0
We multiply all the terms by the denominator
u*13-512-31*13=0
We add all the numbers together, and all the variables
u*13-915=0
Wy multiply elements
13u-915=0
We move all terms containing u to the left, all other terms to the right
13u=915
u=915/13
u=70+5/13
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