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Mathematics 23 Online
OpenStudy (anonymous):

Is 3d - 7d just -4d or can i not do anything to it?

pooja195 (pooja195):

Now -4d is the most you can do with it.

pooja195 (pooja195):

So this would be a combining like terms problem

OpenStudy (anonymous):

Oh ok, ty

pooja195 (pooja195):

yw :)

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