document.write( "Question 199218: Solve the system of equations by graphing. Then classify the system.
\n" ); document.write( "X+y=9
\n" ); document.write( "x-y=-1\r
\n" ); document.write( "\n" ); document.write( "what is the solution to the system?
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Algebra.Com's Answer #149738 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
x+y=9 or y=-x+9 (red line)
\n" ); document.write( "x-y=-1 or -y=-x-1 or y=x+1 (green line)
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x+%2B9%2C+x+%2B1%29+\" (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x +9 and x +1).
\n" ); document.write( "Solution (4,5)
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