Question

If x = 4, what does y equal?
x = 4 y = ?
9x = 2y

Answer 1

18

Explanation:

We know x = 4, so just substitute this value into the equation to find y:

9x = 2y ⇒ 9 * 4 = 2y ⇒ 36 = 2y ⇒ y = 36/2 = 18

Thus, y = 18.

Hope this helps!