Question

Make y the subject please help

Answer 1

Explanation:

Square both sides and you will get

3xy/(x + y) = 4

Multiplying both by (x + y), we get

3xy = 4(x + y) = 4x + 4y

Put all the terms containing y to the left side:

3xy - 4y = 4x

y(3x - 4) = 4x

or y = 4x/(3x - 4)