A Abbs_D New member Joined Aug 31, 2010 Messages 2 Aug 31, 2010 #1 I need help on a problem, I am not sure how to remove the parentheses but I know I should. (x+6) - (2x+7) - 3x =11/2 Thank you?
I need help on a problem, I am not sure how to remove the parentheses but I know I should. (x+6) - (2x+7) - 3x =11/2 Thank you?
D Denis Senior Member Joined Feb 17, 2004 Messages 1,700 Aug 31, 2010 #2 HINT: (a - b) = a - b - (a - b) = -a + b
makes sense!