Algebra

Simplify: (6y + 10z) - (13y - 5z + 4)

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asked by Cody
  1. -7y+5z-4

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  2. thanks man

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    posted by Cody
  3. It's -7y+15z-4
    The reason that it's 15 and not 5 is because the two negative signs become a positive

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    posted by Jen

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