beastgirl beastgirl

Today at 3:51 PM
Mathematics

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I'm stuck on this question!! Plz help me plz I beg u to all the smart ppl

I'm stuck on this question!! Plz help me plz I beg u to all the smart ppl class=

Answer :

mathssydney mathssydney

Today at 3:56 PM

= 12x+20y-8z + 3x - 3z
= 12x+3x + 20y -8z-3z
=15x + 20y -12z

Chris :)

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