2 answers:
Answer:
-12x
Step-by-step explanation:
6x+(-12x/2)+(-24x/2)
=6x+(-6x)+(-12x)
=6x-6x-12x
=-12x
Answer:
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Answer:
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Step-by-step explanation:
Answer:
1/9
Step-by-step explanation:

Solution:
Given data:
and 
To find
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Distributive property: 



Arrange and add/subtract same powers.


Hence 
(Base 1 + base 2) divided by 2 times height