Answer:
25
Explanation:
27²x ‐¹=(243)³
(3³) ²x-¹ = (3⁵)³
3×2x - 3 = 5 × 3
6x -3 = 15
6x=15+3
6x=18
x =3
you can check the answer by taking 3 for x
you will find 14,348,907 on both sides
just do the math sorry english is my seconde language
x=3
5²x-⁴=
5²x ³ -⁴=
5⁶-⁴=
5²=25