Question

how do i solve for x?
3^3x-5 = 81

Answer 1

Okay, what is 81 in terms of 3?

Answer 2

x=3

Answer 3

how do you get that

Answer 4

as parth told 3x-5=4

Answer 5

as 3^4=81

Answer 6

you need writing 81 with 3 on what exponent ?

Answer 7

so than on the left part there is 3 on exponent 3x-5 and wfter this you need just make the exponent from left part equal with exponent of 3 from right part and solve this equation for x