document.write( "Question 545701: The sum of two times a number and negative thirteen is equal to the difference of the number and nine. Find the number. (the answer is 4 according to the answer key) I do not know how it got there..how is this problem written out? \n" ); document.write( "
Algebra.Com's Answer #355684 by rfer(16322) ![]() You can put this solution on YOUR website! 2x-13=x-9 \n" ); document.write( "2x-x=-9+13 \n" ); document.write( "x=4 \n" ); document.write( " |