SOLUTION: x^a+4=x^4x^8 Solve for a. THANK YOU!

Algebra ->  Exponents -> SOLUTION: x^a+4=x^4x^8 Solve for a. THANK YOU!      Log On


   

Question 56835This question is from textbook Algebra 1
: x^a+4=x^4x^8 Solve for a.
THANK YOU! This question is from textbook Algebra 1

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
x%5E%28a%2B4%29=x%5E4x%5E8 Solve for a.
x%5E%28a%2B4%29=x%5E%284%2B8%29
x%5E%28a%2B4%29=x%5E12 the bases are equal so equate their exponents:
a+4=12
a+4-4=12-4
a=8
Happy Calculating!!!