Question 666240
Both sides have denominator of 5.

{{{(x-10)(2/5)(5)=(9x)(1/5)(5)}}}

{{{(x-10)(2)=(9x)}}}

{{{2x-20=9x}}}

{{{9x-2x=-20}}}

{{{7x=-20}}}

{{{x=-20/7}}}-----------------------------------or same as {{{-2&6/7}}}