document.write( "Question 671285: Twice a first number plus a second number is 42, and the first number minus the second number is-6 . Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #417457 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! let the two numbers be a & b \n" ); document.write( ": \n" ); document.write( "Write an equation for each statement, then use elimination \n" ); document.write( "\"Twice a first number plus a second number is 42,\" \n" ); document.write( " and \"the first number minus the second number is-6\" \n" ); document.write( ": \n" ); document.write( "2a + b = 42 \n" ); document.write( " a - b = -6 \n" ); document.write( "--------------adding eliminates b, find a \n" ); document.write( "3a = 36 \n" ); document.write( "a = 36/3 \n" ); document.write( "a = 12 \n" ); document.write( ": \n" ); document.write( "I'll let you find b \n" ); document.write( " |