Question 171128
{{{2x+6y=0}}}, EQN 1
{{{-2x-5y=0}}}, EQN 2
In EQN 1:
{{{-2x=6y}}} ---->{{{cross(-2)x/cross(-2)=cross(6)3y/cross(-2)}}}
{{{x=-3y}}}, subst. in EQN 2:
{{{-2(-3y)-5y=0}}}
{{{6y-5y=0}}}
{{{highlight(y=0)}}}, subst. in EQN 1:
{{{2x+6*0=0}}}
{{{2x=0}}}
{{{highlight(x=0)}}}
We'll see the graph:
{{{drawing(300,300,-10,10,-10,10,graph(300,300,-10,10,-10,10,(-1/3)x,(-2/5)x)))}}}
---> RED >>> {{{2x+6y=0}}}; GREEN >>>> {{{-2x-5y=0}}}
.
Thank you,
Jojo