Question 160845
{{{3x+6=15}}}, EQN
{{{3x=15-6}}}, combine similar terms
{{{3x=9}}} ---> {{{cross(3)x/cross(3)=cross(9)3/cross(3)}}}
{{{x=3}}}
go back EQN,
{{{3*3+6=15}}}
{{{9+6=15}}}
{{{15=15}}}
Thank you,
Jojo