Hello friends, please, I need to know how to get the answer out of this exponential equation? thank you

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Answer 1 · 2016-11-04T03:17:26

I'll help you with question #1#.

Write in the same base.

#3^(x -1) = (3^-1)^(-2x -1)#

#3^(x - 1) = 3^(2x + 1)#

We can now solve as a linear equation, since the bases are equivalent.

#x - 1 = 2x + 1#

#x = -2#

Hopefully this helps!