Find m so that (-3)m-1×(-3)5=(-3)7
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Answer:
-2/15
Step-by-step explanation:
=(-3)m-1×(-3)5=(-3)7
=-3m-1×-15=-21
=-3m-1=21/-15
=-3m-1=7/-5
=-3m=7/-5+1
=3m=-7+5/5
=3m=-2/5
=m=-2/15
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