Question

(-3n + 12m) + (8n - 12m)​

Answer 1

Answer:

(-3n + 12m) + (8n - 12m) = 0

-3n + 12m + 8n - 12m = 0

12m - 12 m = -8n + 3n

0 = -5n

-5n = 0

-5n

Step-by-step explanation:

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Answer 2

$= \: - 3n + 12m \: + (8n - 12m)$

$= \: - 3n + 12m + 8n - 12m$

$= \: - 3n - 8n + 12m - 12m$

$= \: - 11 + 0$

$= \: - 11$