if 12v=3w and v is not equal 0 then which of the following is equivalent to 2w-8v ?

Question

a 0
b 4w
c -6w
d 2v
d -2v

Answer 1

its A

Answer 2

zero

Answer 3

12v - 3w = 0
3(4v - w) = 0
4v - w = 0

2w - 8v = 2(w - 4v)

Because 4v - w = 0, 2(w - 4v) also must equal 0.