Answer:
x = 3
b³
Explanation:
when you multiply numbers with the same base, you add the exponents. you can do this for both the top and bottom equations on the fraction.
b¹ × b⁷ = b⁸
b³ = b² = b
when you divide numbers with the same base, you subtract them.
b⁸ ÷ b⁵ = b³
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