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10-05-2016
Mathematics

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c + c - 14a + 15bm - 13a - 17bm=?

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penfila11Pen penfila11Pen

10-05-2016

c + c - 14a + 15bm - 13a - 17bm
rearrange
c + c - 14a - 13a + 15bm - 17bm
combine like terms
2c - 27a - 2bm

And got my Math paper 4 IGCSE external tomorrow, thanks for posting this question that helped me more!

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