Question 880929
{{{y=(1/2)x-2}}}
.
.
{{{drawing(300,300,-8,2,-8,2,grid(1), graph(300,300,-8,2,-8,2,(1/2)x-2))}}}
.
.
{{{y=2x+5}}}
.
.
{{{drawing(300,300,-8,2,-8,2,grid(1),graph(300,300,-8,2,-8,2,(1/2)x-2,2x+5))}}}
.
.
Substituting,
{{{(1/2)x-2=2x+5}}}
Multiply both sides by 2,
{{{x-4=4x+10}}}
{{{3x=-14}}}
{{{x=-14/3}}}
Then,
{{{y=2(-14/3)+5}}}
{{{y=-28/3+15/3}}}
{{{y=-13/3}}}
.
.
{{{drawing(300,300,-8,2,-8,2,grid(1),circle(-14/3,-13/3,0.2),graph(300,300,-8,2,-8,2,(1/2)x-2,2x+5))}}}
.
.