Question 1066108
<pre><b><font size=4>
{{{system(Y=2x+5,Y=2x^2-x+3)}}}

{{{Y=Y}}}

{{{2x+5}}}{{{""=""}}}{{{2x^2-x+3}}}

{{{0}}}{{{""=""}}}{{{2x^2-3x-2}}}

{{{0}}}{{{""=""}}}{{{(2x+1)(x-2)}}}

{{{2x+1=0}}},   {{{x-2=0}}}
{{{2x=-1}}},    {{{x=2}}}
{{{x=-1/2}}}

{{{Y=2x+5}}}        {{{Y=2x+5}}}
{{{Y=2(-1/2)+5}}}    {{{Y=2(2)+5}}}
{{{Y=-1+5}}}         {{{Y=4+5}}} 
{{{Y=4}}}            {{{Y=9}}}

Two solutions:  

(x,y) = {{{(matrix(1,3,1/2,",",4))}}}

(x,y) = (2,9)

Edwin</pre></font></b>