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300000=4x/5
We move all terms to the left:
300000-(4x/5)=0
We add all the numbers together, and all the variables
-(+4x/5)+300000=0
We get rid of parentheses
-4x/5+300000=0
We multiply all the terms by the denominator
-4x+300000*5=0
We add all the numbers together, and all the variables
-4x+1500000=0
We move all terms containing x to the left, all other terms to the right
-4x=-1500000
x=-1500000/-4
x=+375000
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