Question 103067
{{{3x+4y=12}}} where (x,y)=(0,y)
{{{3(0)+4y=12}}}
{{{4y=12}}}
{{{y=3}}}
(0,3)
{{{3x+4y=12}}} where (x,y)=(x,3/4)
{{{3x+4(3/4)=12}}}
{{{3x+3=12}}}
{{{3x=9}}}
{{{x=3}}}
(3,3/4)
{{{3x+4y=12}}} where (x,y)=(x,0)
{{{3x+4(0)=12}}}
{{{3x=12}}}
{{{x=4}}}
(4,0)
{{{3x+4y=12}}} where (x,y)=(8,y)
{{{3(8)+4y=12}}}
{{{4y=-12}}}
{{{y=-3}}}
(8,-3)