Asked by mek
Solve for x 2.3^x=81-3^x thanks
Answers
Answered by
Steve
Assuming you mean
3^x = 81 - 3^x
2*3^x = 3^4
log<sub>3</sub>2 + x = 4
x = 4 - log<sub>3</sub>2
Somehow I suspect a typo.
3^x = 81 - 3^x
2*3^x = 3^4
log<sub>3</sub>2 + x = 4
x = 4 - log<sub>3</sub>2
Somehow I suspect a typo.
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