document.write( "Question 271322: 5x+7=-3x-5 \n" ); document.write( "
Algebra.Com's Answer #198647 by unlockmath(1688)![]() ![]() You can put this solution on YOUR website! Hello, \n" ); document.write( "Here's a hint: we want to get the letter (x) all alone on one side of the = sign. The trick is: \n" ); document.write( "5x+7=-3x-5 Add 3x to both sides and we get: \n" ); document.write( "8x+7=-5 Now subtract 7 from both sides to result in: \n" ); document.write( "8x=-12 With me so far? OK, Now divide both sides by 8 to get: \n" ); document.write( "x=-12/8 or rewritten as -1 1/2 \n" ); document.write( "To see if this is right plug the answer into the original equation. \n" ); document.write( "Make sense? \n" ); document.write( "There's a book that might help: \n" ); document.write( "www.math-unlock.com \n" ); document.write( " |