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1-245/x=0.8
We move all terms to the left:
1-245/x-(0.8)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
-245/x+0.2=0
We multiply all the terms by the denominator
(0.2)*x-245=0
We multiply parentheses
0.2x-245=0
We move all terms containing x to the left, all other terms to the right
0.2x=245
x=245/0.2
x=1225
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