document.write( "Question 883725: the sum of two numbers is 99. if twice the smaller number is subtracted from the larger number, the result is 15 find the two numbers \n" ); document.write( "
Algebra.Com's Answer #533718 by JulietG(1812)![]() ![]() You can put this solution on YOUR website! A + B = 99 \n" ); document.write( "A - 2B = 15 \n" ); document.write( "Use the second equation and add 2B to each side to get: \n" ); document.write( "A = 2B + 15 \n" ); document.write( "Now substitute the value of A from that equation into the first equation: \n" ); document.write( "A + B = 99 \n" ); document.write( "(2B + 15) + B = 99 \n" ); document.write( "Add \n" ); document.write( "3B + 15 = 99 \n" ); document.write( "Subtract 15 from each side \n" ); document.write( "3B = 84 \n" ); document.write( "Divide each side by 3 \n" ); document.write( "B = 28 \n" ); document.write( "If B is 28, then A is 99-28, or 71 \n" ); document.write( " \n" ); document.write( " |