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0.64279=x/100
We move all terms to the left:
0.64279-(x/100)=0
We add all the numbers together, and all the variables
-(+x/100)+0.64279=0
We get rid of parentheses
-x/100+0.64279=0
We multiply all the terms by the denominator
-x+(0.64279)*100=0
We add all the numbers together, and all the variables
-1x+64.279=0
We move all terms containing x to the left, all other terms to the right
-x=-64.279
x=-64.279/-1
x=64+0.279/1
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