SOLUTION: Please explain and solve this for me: (-14) - (-128) = and (-12) - (-7) = and What is the commutative property of addition? What is the associative property of mu

Algebra ->  Signed-numbers -> SOLUTION: Please explain and solve this for me: (-14) - (-128) = and (-12) - (-7) = and What is the commutative property of addition? What is the associative property of mu      Log On


   

Question 379173: Please explain and solve this for me:
(-14) - (-128) =
and
(-12) - (-7) =
and
What is the commutative property of addition?
What is the associative property of multiplication?
What is an additive inverse?

THANKS !
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
(-14) - (-128) = 114
(-12) - (-7) = -5

commutative property of addition: a + b = b + a

associative property of muliplication: a(bc) = (ab)(c)

additive inverse: The additive inverse of a is -a. A number added to its additive inverse results in 0.