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20-3(m-1)=-4 What is m??

20-3(m-1)=-4 What is m??
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20-3(m-1)=-4 What is m??

User Rahad Rahman
by
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1 Answer

4 votes
Let's do this step by step:

20-3(m-1)=-4
20-3m+3=-4
23-3m=-4
-3m=-27
m=9
To check if this answer is correct, simply substitute m with 9 and you will get 9=9
User Pvomhoff
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