Question

Can someone tell me the answer

Answer 1

Answer: x = -2

Work:

Convert 216 = 6³

Therefore: 6³ = 6^(4x+11)

⇒ Bases cancel out:

3 = 4x + 11 ⇒ Subtract 11 from both sides

-8 = 4x ⇒ Divide both sides by 4

x = -2