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Combine Like Terms
Contributed by: Gray
Simplify each expression by combining like terms.

2a + 3b
+
=
-10x - 8x
-6a + 2a
8y + 7y
x - x
8x + 7 - 5x - 3
9 - 7h + 7h - 15
-4n + 4 - 7n - 10
8w - 2 - 5w - 3
No need tospace in your answer
-9s + 3 - 4t + 6s - 3t - 2
-5a + 8 + 12a - 4 - 2b
7x - 6y + 4x - y + 8
When entering your expressions, list the variables 
in alphabetical order with constants at the end.
Which one of the following expressions represent 
additive inverses?
-5x - 5x
-5y - 9y
8a + 8a
-7a + 7a
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