Question

please answer ques no. 7

Answer 1

YOUR MATHS ANSWER
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➡ 3^2x + 1 ÷ 9 (9 = 3^2) = 27 (27 = 3^3)

➡ 3^2x + 1 ÷ 3^2 = 3^3

➡ 3^2x + 1 - 2 = 3^3

➡ 3^2x - 1 = 3^3

♣♣ AS THE BASES ARE EQUAL, POWERS MUST BE EQUAL ♣♣

➡ 2x - 1 = 3

➡ 2x = 3 + 1

➡ 2x = 4

➡ x = 4 / 2

➡ x = 2
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