document.write( "Question 364565: Solve the system. (Give your answer as an improper fraction. If the system has infinitely many solutions, express your answer in terms of k, where t = t(k) and v = k. If the system has no solution, enter NONE for each answer.)
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document.write( "1/2t-1/5v=5/2
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document.write( "2/3t+1/4v=29/12\r
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Algebra.Com's Answer #259971 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 1/2t-1/5v=5/2 \n" ); document.write( "2/3t+1/4v=29/12 \n" ); document.write( "----- \n" ); document.write( "Multiply thru 1st by 10 \n" ); document.write( "Multiply thru 2nd by 12 \n" ); document.write( "----- \n" ); document.write( "5t - 2v = 25 \n" ); document.write( "8t + 3v = 29 \n" ); document.write( "------ \n" ); document.write( "Multiply thru 1st by 3 \n" ); document.write( "Multiply thru 2nd by 2 \n" ); document.write( "----- \n" ); document.write( "15t - 6t = 3*25 \n" ); document.write( "16t + 6t = 2*29 \n" ); document.write( "---- \n" ); document.write( "Add and solve for \"t\": \n" ); document.write( "31t = 133 \n" ); document.write( "t = 133/13 \n" ); document.write( "----- \n" ); document.write( "Substitute into 5t-2v = 25 to solve for \"v\": \n" ); document.write( "5(133/13)-2v = 25 \n" ); document.write( "2v = 340/13 \n" ); document.write( "v = 170/13 \n" ); document.write( "======================= \n" ); document.write( "Ans: The system is independent. \n" ); document.write( "======================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |