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x+15x/100=100
We move all terms to the left:
x+15x/100-(100)=0
We multiply all the terms by the denominator
x*100+15x-100*100=0
We add all the numbers together, and all the variables
15x+x*100-10000=0
Wy multiply elements
15x+100x-10000=0
We add all the numbers together, and all the variables
115x-10000=0
We move all terms containing x to the left, all other terms to the right
115x=10000
x=10000/115
x=86+22/23
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