document.write( "Question 475804: the sum of two numbers is 41, the larger number is 1 less than twice the smaller number: translate the word problem into a system of two linear equations. \r
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document.write( "After you have the two equations then show work to solve.\r
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document.write( "This is a discussion post question. THank you for your help! \n" );
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Algebra.Com's Answer #326316 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! the sum of two numbers is 41, the larger number is 1 less than twice the smaller number: \n" ); document.write( " translate the word problem into a system of two linear equations. \n" ); document.write( ": \n" ); document.write( "Let x = one number which is the larger \n" ); document.write( "let y = another number \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement: \n" ); document.write( ": \n" ); document.write( "\"the sum of two numbers is 41,\" \n" ); document.write( "x + y = 41 \n" ); document.write( ": \n" ); document.write( "\" the larger number is 1 less than twice the smaller number:\" \n" ); document.write( "x = 2y - 1 \n" ); document.write( ": \n" ); document.write( "To solve it, we can substitute (2y-1) for x in the 1st equation; \n" ); document.write( "(2y-1) + y = 41 \n" ); document.write( "2y + y - 1 = 41 \n" ); document.write( "3y = 41 + 1 \n" ); document.write( "3y = 42 \n" ); document.write( "y = \n" ); document.write( "y = 14 \n" ); document.write( ": \n" ); document.write( "Use the 2nd equation to find x \n" ); document.write( ": \n" ); document.write( "x = 2y - 1 \n" ); document.write( "x = 2(14) - 1 \n" ); document.write( "x = 27 \n" ); document.write( ": \n" ); document.write( "Check solutions in the 1st equation \n" ); document.write( " |