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x+x*28/100=13300
We move all terms to the left:
x+x*28/100-(13300)=0
We multiply all the terms by the denominator
x*100+x*28-13300*100=0
We add all the numbers together, and all the variables
x*100+x*28-1330000=0
Wy multiply elements
100x+28x-1330000=0
We add all the numbers together, and all the variables
128x-1330000=0
We move all terms containing x to the left, all other terms to the right
128x=1330000
x=1330000/128
x=10390+5/8
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