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100=0.1x^-x
We move all terms to the left:
100-(0.1x^-x)=0
We get rid of parentheses
-0.1x^+x+100=0
We add all the numbers together, and all the variables
0.9x+100=0
We move all terms containing x to the left, all other terms to the right
0.9x=-100
x=-100/0.9
x=-111+0.1/0.9
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