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27-04-2014
Mathematics

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simplify the expression 8a - 2b + 12a - 2a - 4b

Respuesta :

27-04-2014

(8a+12a-2a)+(-2b-4b)=18a-6b

Answer Link

27-04-2014

Add the A's together
8a + 12a - 2a
20a - 2a
18a
Add the B"s together
-2b - 4b
-6b
The final answer will be 18a - 6b

Answer Link

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