Solve.  Round answer to 2 decimal places. 7^(3x) = 8^(2x)

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We have to solve 7^(3x) = 8^(2x)

Now the base of the two terms are not the same, so we use logarithms.

Take the logarithm of both the sides.

log( 7^(3x)) = log(8^(2x))

we use the relation log (a^b) = b*log a

=> 3x * log 7 = 2x * log 8

=> 3x * log 7 - 2x * log 8 = 0

=> x* (3 * log 7 - 2 * log 8) = 0

=> x = 0/ (3 * log 7 - 2 * log 8)

=> x = 0

Therefore the only possible value for x is x = 0

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