SOLUTION: 8 to the x equals 4

SOLUTION: 8 to the x equals 4

Algebra.Com

Question 717610: 8 to the x equals 4
Answer by jsmallt9(3758) (Show Source): You can put this solution on YOUR website!

Since 8 and 4 are both powers of 2, we can solve this quickly, easily and without logarithms:

Two powers of 2 cannot be equal unless their exponents are equal.

RELATED QUESTIONS
-6=x/8+4 What equals... (answered by MathLover1)

Trying to solve: 8^x^2 = 2^x+4 (8 raised to the x power which is squared equals 2 (answered by Earlsdon)

1 3/8=3/4 x+1 need to know what x... (answered by rfer)

y varies jointly as x and z. y equals 64 when x equals 4 and z equals 4. Find y when x... (answered by josgarithmetic)

The equation 7 x + 4 y equals 36 describes a line and is written in standard form solve... (answered by Alan3354)

How do you work the problem x to the second minus x equals... (answered by homeworkhedgehog)

4 times a number added to 8 times the number equals 48. find the... (answered by rfer)

Solve the following system of equations. A large curly brace opens to the right. 2 x2x (answered by ikleyn)

4^-x=64 3/2 4 to the negative "x" equals 64 and 3... (answered by stanbon)