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x^-2=5/70
We move all terms to the left:
x^-2-(5/70)=0
We add all the numbers together, and all the variables
x^-2-(+5/70)=0
We add all the numbers together, and all the variables
x-2-(+5/70)=0
We get rid of parentheses
x-2-5/70=0
We multiply all the terms by the denominator
x*70-5-2*70=0
We add all the numbers together, and all the variables
x*70-145=0
Wy multiply elements
70x-145=0
We move all terms containing x to the left, all other terms to the right
70x=145
x=145/70
x=2+1/14
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