x-y =3 work out 2x - 2y work out the value of y-x

Question

x-y =3  work out 2x - 2y  work out the value of y-x

trucchi · Answer

Answer:      Step-by-step explanation:   x - y = 3    2x - 2y = 2 ( x- y ) = 2  times 3 = 6    (y - x) = - (x - y) = - 3