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10/x=2.1
We move all terms to the left:
10/x-(2.1)=0
Domain of the equation: x!=0We add all the numbers together, and all the variables
x∈R
10/x-2.1=0
We multiply all the terms by the denominator
-(2.1)*x+10=0
We multiply parentheses
-2.1x+10=0
We move all terms containing x to the left, all other terms to the right
-2.1x=-10
x=-10/-2.1
x=4+1/1.3125
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