Question

I really don't understand this, please help!

Answer 1

x/2 = 15/6


6x = 2*15


6x = 30


x = 30/6


x = 5


So the first box matches with C

Answer 2

You're just solving each equation for x and matching up the solutions

Answer 3

cross multiply

Answer 4

and find the x that are the only hint i can give you

Answer 5

Okay, thank you :)