document.write( "Question 260278: Solve the system:\r
\n" ); document.write( "\n" ); document.write( "{-x + y = 2
\n" ); document.write( "{2x + y = -1\r
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Algebra.Com's Answer #191711 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
There are many ways to solve these of course.
\n" ); document.write( "1)multiply the first by 2 and then add the equations will eliminate x
\n" ); document.write( "2)subtract either from the other as they are now will eliminate y
\n" ); document.write( "3)solve both for y and then set them equal\r
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