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Pre Algebra Help!!

I know I have to multiply by 42, but......lost now......please show work
-7 =m/-42 
 

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Vivian L. | Microsoft Word/Excel/Outlook, essay composition, math; I LOVE TO TEACHMicrosoft Word/Excel/Outlook, essay comp...
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Hi Andrea;
-7 =m/-42
To isolate m, you will multiply both sides by -42, which is also (-42/1)...
(-42)(-7)=(m/-42)(-42/1)
(-42)(-7)=(m/-42)
294=m
A negative divided by a negative is positive.