Question

Solve for y in this equation xy=x+y

Answer 1

y = 2

because 2 x 2 = 4 and 2 + 2 = 4

Answer 2

y = x /(x - 1).

Explanation:

xy = x + y

Bring the 'y' terms together:

xy - y = x

y(x - 1) x

y = x /(x - 1) (answer).