Question 133759
{{{(1 + 2)/x = 3/x^2}}}
Add 1+2
{{{3/x = 3/x^2}}}
Cross multiply
{{{3x^2 = 3x}}}
Divide both sides by x
{{{3x^2/x = 3x/x}}}
{{{3x = 3}}}
Divide both sides by 3
{{{x=1}}}