document.write( "Question 522936: 3x+6y=33
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document.write( "-8x+y=65\r
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document.write( "Solve by substiution- algebra \n" );
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Algebra.Com's Answer #347099 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 3x+6y=33 .............1 \n" ); document.write( "y=65+8x \n" ); document.write( "y=65+8x \n" ); document.write( "Substitute y in (1) \n" ); document.write( "3x+6(65 +8x)= 33 \n" ); document.write( "3x+390+48x= 33 \n" ); document.write( "3x+48x=33-390 \n" ); document.write( "51x=-357 \n" ); document.write( "/51 \n" ); document.write( "x=-7 \n" ); document.write( "Plug the value of x in (1) \n" ); document.write( "3x+6y=33 \n" ); document.write( "3*-7+6y=33 \n" ); document.write( "-21+6y=33 \n" ); document.write( "6y=54 \n" ); document.write( "/6 \n" ); document.write( "y= 9 \n" ); document.write( " \n" ); document.write( " |