document.write( "Question 629780: One number is 5 less than a second number. Twice the second number is 8 less than 4 times the first. Find the two numbers. \n" ); document.write( "
Algebra.Com's Answer #396542 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! One number is 5 less than a second number. \n" ); document.write( "a = b - 5 \n" ); document.write( ": \n" ); document.write( "Twice the second number is 8 less than 4 times the first. \n" ); document.write( "2b = 4a - 8 \n" ); document.write( "replace a with (b-5) \n" ); document.write( "2b = 4(b-5) - 8 \n" ); document.write( "2b = 4b - 20 - 8 \n" ); document.write( "2b - 4b = -28 \n" ); document.write( "-2b = -28 \n" ); document.write( "b = 14 \n" ); document.write( "then \n" ); document.write( "a = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |