Question

Find an expression for y in terms of w.

Answer 1

x 6 8 11 13 18

y 15 17 20

Explanation:

use your equations to complete the table

Answer 2

y = w(7x-12)/(6-21w)

Explanation:

See the attached image. I was expecting a more elegant solution, so please look it over carefully. Perhaps there is a way to simplify it, but I don't see an easy method.