Question 478884


{{{7/x + 1/x^2=0}}}

{{{7x/x^2 + 1/x^2=0}}}


{{{(7x+1)/x^2=0}}}

{{{7x+1=0*x^2}}}

{{{7x+1=0}}}

{{{7x=-1}}}

{{{x=-1/7}}}