Add the terms: $- 2 a b c, 3 a b c, a b c$

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Solution

Given terms are: $- 2 a b c, 3 a b c, a b c$
The given terms are like terms. So, we can add.
Adding the terms: $- 2 a b c + 3 a b c + a b c$
$=$ $- 2 a b c + 4 a b c$
$= 2 a b c$
Therefore, sum of the given terms is $2 a b c$ .

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