3 years ago

9^4x=81? I need to solve this math problem nd idk how to

2 answers:

6 0

$9^{4x}=81\\
9^{4x}=9^2\\
4x=2\\
x=\dfrac{2}{4}=\dfrac{1}{2}$

ella [17]3 years ago

4 0

$9^{4x}=81\\ 9^{4x}=9^2\\ =\ \textgreater \ 4x=2\\ x=\dfrac{2}{4}^{/2}=\dfrac{1}{2}$

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