Answer:
M= 10
Explanation:
I edited it so now it should be right
m = 10
20 + 3m = 5m
Subtract 20 from both sides
3m = 5m - 20
Subtract 5m on both sides
-2m = -20
Divide both side by -2
-2m/-2 = -20/-2
= m = 10
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