Homework Help: Math

Posted by Jay on Tuesday, July 7, 2009 at 3:50pm.

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

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

Math - SEAN, Tuesday, July 7, 2009 at 4:00pm
its A
Math - bobpursley, Tuesday, July 7, 2009 at 4:20pm
zero
Math - Marth, Tuesday, July 7, 2009 at 4:36pm
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.

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