document.write( "Question 242414: Solve by using the substitution method, elimination method or graphing method.\r
\n" ); document.write( "\n" ); document.write( "y= 2/5x-7,
\n" ); document.write( "y=2/5x+4
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Algebra.Com's Answer #177493 by Alan3354(69443)\"\" \"About 
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y= 2/5x-7,
\n" ); document.write( "y=2/5x+4
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\n" ); document.write( "y can't equal both 2x/5-7 and 2x/5 + 4.
\n" ); document.write( "If you graph it, you'll get 2 parallel lines, no intersection, no solution.
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