SOLUTION: If "a" is a negative number find (a)+a+(-2a)+(-a)

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Question 154227: If "a" is a negative number find
(a)+a+(-2a)+(-a)
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
Regardless of sign,

a + a + (-2a) + (-a)
= a + a - 2a - a
= -a