document.write( "Question 439716: the sum of two numbers is twenty five. twice the larger number is equal to three times the smaller one. find the two numbers.
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Algebra.Com's Answer #303896 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x+y=25...................1 \n" ); document.write( "2x=3y \n" ); document.write( "2x-3y=0..................2\r \n" ); document.write( "\n" ); document.write( "Eliminate y \n" ); document.write( "multiply (1)by 3 \n" ); document.write( "Multiply (2) by 1 \n" ); document.write( "3 x + 3 y = 75 \n" ); document.write( "2 x + -3 y = 0 \n" ); document.write( "Add the two equations \n" ); document.write( "5 x = 75 \n" ); document.write( "/ 5 \n" ); document.write( "x = 15 \n" ); document.write( "plug value of x in (1) \n" ); document.write( "1 x + 1 y = 25 \n" ); document.write( "15 + 1 y = 25 \n" ); document.write( " 1 y = 25-15 \n" ); document.write( " 1 y = 10 \n" ); document.write( " \n" ); document.write( " |