Question

If x is not equal to 0 and 2x = 4y, what is the value of 4x - yx?

Answer 1

Answer: 4x - yx = 8y - 2y^2

Explanation:

If 2x = 4y, then dividing both sides by 2 gives x = 2y.

Substituting this into 4x - yx:

4x - yx = 4(2y) - y(2y)

Simplifying, we get:

4x - yx = 8y - 2y^2