document.write( "Question 446176: Solve by the substitution method.
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document.write( "4x+4y=24
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document.write( "-5x-y=24\r
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document.write( "The solution type in ordered pair. \n" );
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Algebra.Com's Answer #307232 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 4x+4y=24 .............1 \n" ); document.write( "y=-24-5x ---------2 \n" ); document.write( "Plug the value of y in (1) \n" ); document.write( "4x+4(-24-5x)=24 \n" ); document.write( "4x-96-20x=24 \n" ); document.write( "4x-20x=24+96 \n" ); document.write( "-16x=120 \n" ); document.write( "/-16 \n" ); document.write( "x=-7.5 \n" ); document.write( "Plug the value of x in (1) \n" ); document.write( "4x+4y=24 \n" ); document.write( "4*-7.5 +4y=24 \n" ); document.write( "-30+4y=24 \n" ); document.write( "4y=54 \n" ); document.write( "/4 \n" ); document.write( "y=13.5 \n" ); document.write( " \n" ); document.write( " |