Question 161026
1.{{{y=2x}}}
2.{{{y=-x+3}}}
Use eq. 1 in eq. 2 and then solve for x,
2.{{{y=-x+3}}}
{{{2x=-x+3}}}
{{{3x=3}}}
{{{x=1}}}
Now use eq. 1 to solve for y.
1.{{{y=2x}}}
{{{y=2(1)}}}
{{{y=2}}}
.
.
.
We can check the answer graphically by graphing the two functions and finding the intersection point.
{{{drawing( 300, 300, -5, 5, -5, 5,grid( 1 ),circle( 1,2,  .2 ),graph( 300, 300, -5, 5, -5, 5, 2x, -x+3) )}}}