document.write( "Question 555937: Solve using the substitution method. If the system has no solution or an infinite number of solutions, state this.\r
\n" ); document.write( "\n" ); document.write( "-x-3y=-20
\n" ); document.write( "5x+3y=40
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Algebra.Com's Answer #361992 by saifoo.khan(162)\"\" \"About 
You can put this solution on YOUR website!
x = 5, y = 5\r
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\n" ); document.write( "Cheers,
\n" ); document.write( "Saifoo.khan
\n" ); document.write( "einstein.saifoo@gmail.com
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