Posted by Cassidy on Sunday, August 25, 2013 at 7:27pm.
-5x-10 = 2-(x+4)
- 8th Math - Ms. Sue, Sunday, August 25, 2013 at 7:33pm
-5x - 10 = 2 - (x + 4)
-4x = 12 - 4
-4x = 8
x = -2
- 8th Math - Cassidy, Sunday, August 25, 2013 at 7:37pm
Thx Ms.Sue! But why the +4 became -4? I confused with this part
- 8th Math - Ms. Sue, Sunday, August 25, 2013 at 7:40pm
There's a minus sign in front of the quantity in parentheses
2 - (x + 4)
A + and a - is always a minus.
- 8th Math - Cassidy, Sunday, August 25, 2013 at 7:58pm
what if there's a sign of positive in front of the quantity in parenthese, such like 2+(x+4)....which mean the +4 will be staying the same as +4?
- 8th Math - Ms. Sue, Sunday, August 25, 2013 at 7:59pm
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