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Question

Solve for x the equation 2ˣ⁺³ = 5ˣ⁺².

a.

ln (24/8)

b.

ln (25/8) / ln (2/5)

c.

ln (32/5) / ln (2/3)

d.

ln (3/25)

Answer: (b).ln (25/8) / ln (2/5)

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Q. Solve for x the equation 2ˣ⁺³ = 5ˣ⁺².