document.write( "Question 170830: What number must you add to 128 and subtract from 256 so that the answers to both examples are equal? \n" ); document.write( "
Algebra.Com's Answer #126133 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! lets call the number x \n" ); document.write( ": \n" ); document.write( "128+x=256-x \n" ); document.write( ": \n" ); document.write( "2x=128 \n" ); document.write( ": \n" ); document.write( " |