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0.5=(300-x)/x
We move all terms to the left:
0.5-((300-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+300)/x)+0.5=0
We multiply all the terms by the denominator
-((-1x+300)+(0.5)*x)=0
We calculate terms in parentheses: -((-1x+300)+(0.5)*x), so:We get rid of parentheses
(-1x+300)+(0.5)*x
We multiply parentheses
(-1x+300)+0.5x
We get rid of parentheses
-1x+0.5x+300
We add all the numbers together, and all the variables
-0.5x+300
Back to the equation:
-(-0.5x+300)
0.5x-300=0
We move all terms containing x to the left, all other terms to the right
0.5x=300
x=300/0.5
x=600
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