Find x and y when b^xb^y=b^8 and b^4xb^-2y=b^2. Explain how you found your answer.

&

Using the method of finding solution of linear equation in two variables and concept of exponent we found the solution.

Step-by-step explanation:

from the Question,

Given:-            

Using law of exponents we get,

                   &          ⇒    

Now, from the data given in the question,

     ⇒                  

     ⇒                                            ..............(i)

     ⇒                  

     ⇒                                           ..............(ii)

Solving equation (i) & (ii) we get,

                                               ...............(iii)

Subtracting equation (ii) from (iii) we get,

Putting the value of in equation (i)

Using the method of finding solution of linear equation in two variables and concept of exponent we found the solution.

in 4 days he will run   12/14

step-by-step explanation: