Answer:

Step-by-step explanation:
Hi there! I'm glad I was able to help you solve this equation!
Let's start by simplifying both sides of the equation. It's easier to solve it this way!

Distribute:


Combine 'like' terms:


Next, you'll want to add 36 to both sides of the equation.


Finally, divide both sides by
.


I hope this helped you! Leave a comment below if you have any further questions! :)
Answer:
wave length = 30/6 = 5m
Step-by-step explanation:
wave travels 30m in one second.
wave completes 6 cycles in one second.
The correct answer is-2xy if it’s subtract