document.write( "Question 243693: solve each system by substitution\r
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document.write( "y= -3x-20
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document.write( "6x+2y=5 \n" );
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Algebra.Com's Answer #178501 by richwmiller(17219) You can put this solution on YOUR website! 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( " |