document.write( "Question 931061: If 10 is added to a number and the sum is doubled, the result is -17 less than the number. Find the number. \n" ); document.write( "
Algebra.Com's Answer #565617 by ptfile(81)![]() ![]() You can put this solution on YOUR website! let x = the number\r \n" ); document.write( "\n" ); document.write( "If 10 is added to a number and the sum is doubled, the result is -17 less than the number. \n" ); document.write( " 2(x+10)=x-17 \n" ); document.write( " 2x+20=x-17 \n" ); document.write( " x =-37 \n" ); document.write( " \n" ); document.write( "The number is -37.\r \n" ); document.write( "\n" ); document.write( "Check \n" ); document.write( " 2(-37+10)=-37-17 \n" ); document.write( " 2(-27)=-54 \n" ); document.write( " -54=-54 \n" ); document.write( " |