Find the value of x || 3^x = 81^ (x-1)

81=3^4. Therefore, 3^2x = 3^4. On comparing the powers both sides,. We get. 2x=4. => X ...Read more

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The solution to the equation 3^x = 81 is x = 4. To solve this equation, we need to use logarithms. Specifically, we need to take the logarithm of both sides of ...Read more

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10 Nov 2021 — 3^x = 81 = 9^2 = (3^2)^2 = 3^4 3^x = 3^4 x = 4 everything is identical on both sides of the equation, except x and 4, so set them equal.Read more

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Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, ...

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Given: (3x)³ = 81 Step 1: Express 81 as a power of 3. 81 = 3 to the power of 4 So: (3x)³ = 3^(4) Step 2: Take the cube root (raise both ...Read more

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Divide each term in 3x=81 3 x = 81 by 3 3 . 3x3=813 3 x 3 = 81 3. Step 2. Simplify the left side. Tap for more steps... Step 2.1.Read more

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21 Aug 2023 — 3x=81=34. Hence, x=4. Replacing x with 4 in the expression (3x+3)(4x+1) yields (34+3)(44+1)=37⋅45=32⋅35⋅45=3 ...Read more

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