document.write( "Question 343556: how to solve 3x-y=9 and 7x+2y=1 \n" ); document.write( "
Algebra.Com's Answer #245867 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
3x-y=9
\n" ); document.write( "-y=-3x+9
\n" ); document.write( "y=3x-9 (red line)
\n" ); document.write( "7x+2y=1
\n" ); document.write( "2y=-7x+1
\n" ); document.write( "y=-7x/2+1/2
\n" ); document.write( "y=-3.5x+.5 (green line)
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+3x+-9%2C+-3.5x+%2B.5%29+\" (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 3x +9 and -3/5x +.5).
\n" ); document.write( "Ans.(1.31,-5.07)
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