Answer:
m = 5
Explanation:
Rewrite problem
m + 2m + -4m = -5
Combine like terms
-1m = -5
Divide -1 on both sides
-1m = -5/-1
Check answer
5 + 2(5) +-4(5) = -5
5+ 10 + -20
-5 = -5
Hope this helps :)
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