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z-81/5=2
We move all terms to the left:
z-81/5-(2)=0
determiningTheFunctionDomain z-2-81/5=0
We multiply all the terms by the denominator
z*5-81-2*5=0
We add all the numbers together, and all the variables
z*5-91=0
Wy multiply elements
5z-91=0
We move all terms containing z to the left, all other terms to the right
5z=91
z=91/5
z=18+1/5
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