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Mathematics 17 Online
OpenStudy (anonymous):

Solve for x 4^(3x+5)=16

OpenStudy (kc_kennylau):

4 to the power of what is 16?

OpenStudy (anonymous):

3x+5 is used as an exponent

OpenStudy (kc_kennylau):

no i'm asking you, 4 to the power of what is 16

OpenStudy (anonymous):

Oh, 2

OpenStudy (kc_kennylau):

yep

OpenStudy (kc_kennylau):

so

OpenStudy (kc_kennylau):

\[\Large\begin{array}{rcl} 4^{3x+5}&=&16\\ 4^{3x+5}&=&4^2\\ 3x+5&=&2 \end{array}\]

OpenStudy (kc_kennylau):

think you can solve that?

OpenStudy (kc_kennylau):

brb

OpenStudy (anonymous):

Yes, thank you

OpenStudy (kc_kennylau):

back lol

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