document.write( "Question 188534: When the sum of a number and 10 is doubled the result is the same as 8 minus twice the number. find the unknown number. \n" ); document.write( "
Algebra.Com's Answer #141362 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! let x be the number \n" ); document.write( ": \n" ); document.write( "2(x+10)=8-2x \n" ); document.write( ": \n" ); document.write( "2x+20=8-2x \n" ); document.write( ": \n" ); document.write( "4x=-12 \n" ); document.write( ": \n" ); document.write( "x=-3 \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |