document.write( "Question 62368: The sum of a number, and the difference between 16 and a number, plus 5 is 21. What is the number \n" ); document.write( "
Algebra.Com's Answer #43103 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X+(X-16)+5=21 \n" ); document.write( "X+X-16+5=21 \n" ); document.write( "2X=21+16-5 \n" ); document.write( "2X=32 \n" ); document.write( "X=32/2 \n" ); document.write( "X=16 SOLUTION \n" ); document.write( "PROOF \n" ); document.write( "16+(16-16)+5=21 \n" ); document.write( "16=5=21 \n" ); document.write( "21=21 \n" ); document.write( " |