Question 816783
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Hi,
Goal is to isolate 'm' on one side of the EQ, so we can read m = Our Answer 
-4m + 5 = -15      |Adding 4m and 15 to both sides of the EQ
-4m + 4m +5 + 15 = -15 +15 + 4m    
            20 = 4m
            20/4 = m
              5 = m