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0.33=(40-x)/x
We move all terms to the left:
0.33-((40-x)/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-((-1x+40)/x)+0.33=0
We multiply all the terms by the denominator
-((-1x+40)+(0.33)*x)=0
We calculate terms in parentheses: -((-1x+40)+(0.33)*x), so:We get rid of parentheses
(-1x+40)+(0.33)*x
We multiply parentheses
(-1x+40)+0.33x
We get rid of parentheses
-1x+0.33x+40
We add all the numbers together, and all the variables
-0.67x+40
Back to the equation:
-(-0.67x+40)
0.67x-40=0
We move all terms containing x to the left, all other terms to the right
0.67x=40
x=40/0.67
x=59+0.47/0.67
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