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x^-2=2.5x
We move all terms to the left:
x^-2-(2.5x)=0
We add all the numbers together, and all the variables
x^-(+2.5x)-2=0
We add all the numbers together, and all the variables
x-(+2.5x)-2=0
We get rid of parentheses
x-2.5x-2=0
We add all the numbers together, and all the variables
-1.5x-2=0
We move all terms containing x to the left, all other terms to the right
-1.5x=2
x=2/-1.5
x=-1+0.5/1.5
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