SYNTENE LEARN . SAT MATH . ADVANCED MATH

If 2^{x+3} = 64, what is the value of x?

Answer: 3. 64 = 2^6, so x + 3 = 6 and x = 3.

Step-by-step solution

64 = 2^6, so x + 3 = 6 and x = 3.

Common mistake

Writing 64 as 2^5 or 4^3 and mismatching bases.

Watch: 20-second video walkthrough

What is the answer to If 2^{x+3} = 64, what is the value of x?

Answer: 3. 64 = 2^6, so x + 3 = 6 and x = 3.

How do you solve it?

64 = 2^6, so x + 3 = 6 and x = 3.

What mistake do most students make?

Writing 64 as 2^5 or 4^3 and mismatching bases.

What SAT topic is this?

Advanced Math. Practice more free Advanced Math questions with instant feedback at Syntene Learn.

Practice free SAT Math with instant feedback