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solve -2log(5) 7x = 2

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solve -2log5 7x = 2

solving-equations-logarthmic

asked Dec 5, 2014 in PRECALCULUS by anonymous

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1 Answer

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The logarithmic equation is .

Divide each side by negative 2.

Apply formula : .

Apply negative exponent property : a^-n = 1/aⁿ, where a ≠ 0.

Divide each side by 7.

.

Therefore, the solution is .

answered Dec 5, 2014 by lilly Expert

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