Question 562796
Let 
First Number = {{{x+1}}}
Second Number={{{x+2}}}
Third Number = {{{x+3}}}

{{{x+1+3(x+3)=3(x+2)-10}}}
{{{x+1+3x+9=3x+6-10}}}
{{{4x+10=3x+6-10}}}
{{{4x=3x+6-10-10}}}
{{{4x=3x+6-20}}}
{{{4x-3x=-14}}}
{{{x=-14}}}


First Number = {{{x+1}}} = {{{-14+1}}} =  {{{-13}}}
Second Number={{{x+2}}} = {{{-14+2}}} = {{{-12}}}
Third Number = {{{x+3}}} = {{{-14+3}}} = {{{-11}}}