Question

I would much appreciate the explanation for number 20 cuz ion’ get it

Answer 1

Answer:

Which is number 20?

Step-by-step explanation:

Which is number 20?

Answer 2

Answer:

Step-by-step explanation:

$\frac{3x}{x+2} =\frac{40}{16} =\frac{5}{2} \\6x=5x+10\\6x-5x=10\\x=10$