Question

X-y=3

a) Work out the value of 5(x - y)
b) Work out the value of
2x - 2y
c) Work out the value of y -X

Answer 1

a) 5(x - y) = 5 × 3 = 15

b) 2x - 2y = 2(x - y) = 2 × 3 = 6

c) y - x = -1(x - y) = -1 × 3 = -3