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1250000=x+.3x
We move all terms to the left:
1250000-(x+.3x)=0
We add all the numbers together, and all the variables
-(+1.3x)+1250000=0
We get rid of parentheses
-1.3x+1250000=0
We move all terms containing x to the left, all other terms to the right
-1.3x=-1250000
x=-1250000/-1.3
x=961538+0.5999999998603/1.3
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