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19/x=0.90
We move all terms to the left:
19/x-(0.90)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
19/x-(0.9)=0
We add all the numbers together, and all the variables
19/x-0.9=0
We multiply all the terms by the denominator
-(0.9)*x+19=0
We multiply parentheses
-0.9x+19=0
We move all terms containing x to the left, all other terms to the right
-0.9x=-19
x=-19/-0.9
x=21+0.099999999999998/0.9
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