Find the value of x, if  6^(x+4) =  6⁷ . 

Correct option is A

Given : 

6^(x+4) =  6⁷  

Concept used: 

aⁿ = a^b 

For same base we can compare the power

n = b 

Solution:

6^(x+4) = 6⁷ 

Base are same, So

$$x + 4 = 7$$ 

$$x = 7 - 4$$ 

$$x = 3$$ 

Thus, the value of x is 3.