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Popular >

3*81^x=9^{x+4}

Solution

3 \cdot 8 1^{x} = 9^{x + 4}

Solution

x = \frac{7}{2}

+1

Decimal Notation

x = 3.5

Solution steps

3 \cdot 8 1^{x} = 9^{x + 4}

Apply exponent rules

ln (3) + 2 x ln (9) = (x + 4) ln (9)

Solve

ln (3) + 2 x ln (9) = (x + 4) ln (9) : x = \frac{7}{2}

x = \frac{7}{2}

Popular Examples

solvefor k,(y^k)^{-2}=y^5 solve for

k, (y^{k})^{- 2} = y^{5}

1.4 = (\frac{3}{100})^{t}

(16^x)^2=8^{4x-3}

(1 6^{x})^{2} = 8^{4 x - 3}

256^a+256^a+16^a=1

25 6^{a} + 25 6^{a} + 1 6^{a} = 1

4^{x} - 2 = 2^{6} x

Frequently Asked Questions (FAQ)

What is the answer to 3*81^x=9^{x+4} ?
The answer to 3*81^x=9^{x+4} is x= 7/2
Solve for x: 3*81^x=9^{x+4}
The solution is x= 7/2