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150/2=300/x
We move all terms to the left:
150/2-(300/x)=0
Domain of the equation: x)!=0We add all the numbers together, and all the variables
x!=0/1
x!=0
x∈R
-(+300/x)+150/2=0
We add all the numbers together, and all the variables
-(+300/x)+75=0
We get rid of parentheses
-300/x+75=0
We multiply all the terms by the denominator
75*x-300=0
We add all the numbers together, and all the variables
75x-300=0
We move all terms containing x to the left, all other terms to the right
75x=300
x=300/75
x=4
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