If x-1/x=7 find x+1/x
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(x-1/x)^2=(x+1/x)^2-4
7^2+4=(x+1/x)^2
(53)^1/2=x+1/x
7^2+4=(x+1/x)^2
(53)^1/2=x+1/x
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x=7x+1
x+1/x=(7x+1+1)/(7x+1)
= (7x+2)/(7x+1)
x+1/x=(7x+1+1)/(7x+1)
= (7x+2)/(7x+1)
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