document.write( "Question 60617: One number is 3 units larger than twice another number. If their sum is zero, find the two numbers? \n" ); document.write( "
Algebra.Com's Answer #41623 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! One number = x, and another number = y \n" ); document.write( ": \n" ); document.write( "One number is 3 units larger than twice another number. \n" ); document.write( "x = 2y + 3 \n" ); document.write( ": \n" ); document.write( "If their sum is zero, \n" ); document.write( " x + y = 0 \n" ); document.write( ": \n" ); document.write( "find the two numbers? \n" ); document.write( "Substitute (2y+3) for x in the equation, x + y = 0 \n" ); document.write( "(2y+3) + y = 0 \n" ); document.write( "2y + y + 3 = 0 \n" ); document.write( "3y = -3 \n" ); document.write( "y = -1 \n" ); document.write( ": \n" ); document.write( "Find x: \n" ); document.write( "x + (-1) = 0 \n" ); document.write( "x = +1 \n" ); document.write( " \n" ); document.write( " |