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5=40/x
We move all terms to the left:
5-(40/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+40/x)+5=0
We get rid of parentheses
-40/x+5=0
We multiply all the terms by the denominator
5*x-40=0
We add all the numbers together, and all the variables
5x-40=0
We move all terms containing x to the left, all other terms to the right
5x=40
x=40/5
x=8
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