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26-04-2014
Mathematics

Answered

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

Answer :

26-04-2014

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

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26-04-2014

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

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