document.write( "Question 357724: Solve the system of linear equations by the elimination method.
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document.write( "If 3/11x - 1/2y = 5/11
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document.write( "and 2/5x - 1/3y = 2/15 \r
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document.write( "please provide the steps to this problem I am completely lost \n" );
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Algebra.Com's Answer #255365 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve the system of linear equations by the elimination method. \n" ); document.write( " 3/11x - 1/2y = 5/11 \n" ); document.write( " 2/5x - 1/3y = 2/15 \n" ); document.write( "------------------------- \n" ); document.write( "Multiply thru 1st by 22 \n" ); document.write( "Multiply thru 2nd by 15 \n" ); document.write( "------------- \n" ); document.write( "6x - 11y = 10 \n" ); document.write( "6x - 5y = 2 \n" ); document.write( "------ \n" ); document.write( "Subtract the top eq. from the bottom and solve for \"y\": \n" ); document.write( "6y = -8 \n" ); document.write( "y = -4/3 \n" ); document.write( "------------------- \n" ); document.write( "Substitute for \"y\" in 6x-5y=2 and solve for \"x\": \n" ); document.write( "6x -5(-4/3) = 2 \n" ); document.write( "6x + 20/3 = 6/3 \n" ); document.write( "6x = -14/3 \n" ); document.write( "x = -14/18 = -7/9 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |