Question

Solve the equation 2^x−3 =5.

Answer 1

x = 3

Explanation:

given

`2^(x)` - 3 = 5 ( add 3 to both sides )

`2^(x)` = 8

now 8 = 2³ , then

`2^(x)` = 2³

the bases on both sides are equal, both 2 then equate exponents , that is

x = 3