Answer:
11m+12g-8
Explanation:
8m+13g-8+3m-g
8m+3m+13g-g-8
8m + 13g - 8 + 3m - g
8m + 3m = 11m
13g - g = 12g
11m + 12g - 8 ⇒ Your simplified expression
There you go! I really hope this helped, if there's anything just let me know! :)
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