document.write( "Question 243693: solve each system by substitution\r
\n" ); document.write( "\n" ); document.write( "y= -3x-20
\n" ); document.write( "6x+2y=5
\n" ); document.write( "

Algebra.Com's Answer #178501 by richwmiller(17219)\"\" \"About 
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y= -3x-20
\n" ); document.write( "6x+2y=5
\n" ); document.write( "6x+2(-3x-20)=5
\n" ); document.write( "6x+(-6x-40)=5
\n" ); document.write( "6x-6x-40=5
\n" ); document.write( "0x=45
\n" ); document.write( "0 =45
\n" ); document.write( "no solution\r
\n" ); document.write( "\n" ); document.write( "2y=5-6x
\n" ); document.write( "y=5/2 -3x
\n" ); document.write( "-3x-20=-3x+5/2
\n" ); document.write( "-20=5/2
\n" ); document.write( "-40=5
\n" ); document.write( "0=45
\n" ); document.write( "no solution
\n" ); document.write( "There is probably an error in copying the problem.
\n" ); document.write( "
\n" );