Question

if 3^3x-3 = 729 then value of x is
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Answer 1

Answer:

x = 3

Step-by-step explanation:

$3^{3x-3} = 729$

∴ $3^{3x-3} = 3^6$

∴ 3x - 3 = 6

∴ x = 9 / 3

∴ x = 3

Answer 2

Answer:

We can set both of them to the same base, so we can set x to equal to the exponent on the right hand side

3^x=729

3^6=729 so therefore, we replace 729 with 3^6

3^x=3^6

Since the bases are now equal, we can set the exponents to be equal

x=6

Therefore, the value of x is 6.

Step-by-step explanation:

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