Question

Q7. The solution of the equation X - 2y = 4 is *​

Answer 1

x - 2y = 4

solve for y

- 2y = 4 - x

- 2y / - 2 = 4 - x / - 2

y = 4 - x / - 2

y = x / 2 - 2

solve for x

add 2y both sides

x = 4 + 2y