document.write( "Question 924691: What number, doubled plus 2, is its opposite number \n" ); document.write( "
Algebra.Com's Answer #561031 by stanbon(75887) ![]() You can put this solution on YOUR website! What number, doubled plus 2, is its opposite number \n" ); document.write( "---- \n" ); document.write( "Let the number be \"x\":: \n" ); document.write( "Equation: \n" ); document.write( "2x+2 = -x \n" ); document.write( "3x = -2 \n" ); document.write( "x = -2/3 \n" ); document.write( "------------------------- \n" ); document.write( "Checking:: \n" ); document.write( "2(-2/3)+2 = -4/3 + 6/3 = 2/3 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |