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Get x on it's own by:

Dividing both sides by 2

Put both sides to the power 8

You now have: x = 8^((log8 3 + log8 27)/2))

Simplify the right side: log8 3 + log8 27 = log8 81

0.5 * log8 81 = log8 81^0.5 = log8 9

Thus x = 9

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14y ago

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