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0.8=250/x
We move all terms to the left:
0.8-(250/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+250/x)+0.8=0
We get rid of parentheses
-250/x+0.8=0
We multiply all the terms by the denominator
(0.8)*x-250=0
We multiply parentheses
0.8x-250=0
We move all terms containing x to the left, all other terms to the right
0.8x=250
x=250/0.8
x=312+0.4/0.8
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