document.write( "Question 819155: substitution 3x-y=1 and -12x+4y=3 \n" ); document.write( "

Algebra.Com's Answer #492965 by mananth(16946) $\"\"$ $\"About$

You can put this solution on YOUR website!
3x-y=1 and -12x+4y=3\r
\n" ); document.write( "\n" ); document.write( "y=3x-1\r
\n" ); document.write( "\n" ); document.write( " -12x+4y=3\r
\n" ); document.write( "\n" ); document.write( "substitute y\r
\n" ); document.write( "\n" ); document.write( "-12x+4(3x-1)=3\r
\n" ); document.write( "\n" ); document.write( "-12x+12x-4=3\r
\n" ); document.write( "\n" ); document.write( "-4=3
\n" ); document.write( "absurd\r
\n" ); document.write( "\n" ); document.write( "No solution
\n" ); document.write( "lines are parallel\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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