document.write( "Question 436210: I have two that use elimination. 1 is whole numbers and one is decimals...\r
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document.write( "6x-9y=13.5
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document.write( "7y-2x=6.5\r
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document.write( "0.05x+0.25=44
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document.write( "0.15x+0.05y=48\r
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document.write( "I must find the ordered pair in each equation...\r
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document.write( "I have been trying to do my homework for about 10 hours over the past two days and I just can't seem to get it right...please Help!....\r
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #301807 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 6x-9y=13.5 --> 2x-3y = 4.5 (divided by 3) \n" ); document.write( "7y-2x=6.5 \n" ); document.write( "------------ \n" ); document.write( "4x - 6y = 9 eqn 1 times 2 \n" ); document.write( "21x- 6y = 19.5 eqn 2 times 3 \n" ); document.write( "--------------- Subtract \n" ); document.write( "-17x = -10.5 \n" ); document.write( "x = 21/34 \n" ); document.write( "---------- \n" ); document.write( "2(21/34) - 3y = 9/2 = 153/34 \n" ); document.write( "-3y = 111/34 \n" ); document.write( "y = -37/34 \n" ); document.write( "------------------ \n" ); document.write( "0.05x+0.25=44 I'll assume you meant 0.25y \n" ); document.write( "0.15x+0.05y=48 \n" ); document.write( "--------------- \n" ); document.write( "x + 5y = 880 eqn1 times 20 \n" ); document.write( "3x + y = 960 eqn2 times 20 \n" ); document.write( "Do it like the 1st one. \n" ); document.write( "email your work via the thank you note and I'll check it, if you like.\r \n" ); document.write( "\n" ); document.write( "I must find the ordered pair in each equation...\r \n" ); document.write( "\n" ); document.write( "I have been trying to do my homework for about 10 hours over the past two days and I just can't seem to get it right...please Help!.... \n" ); document.write( " \n" ); document.write( " |