cartermakayla48 cartermakayla48

07-02-2018
Mathematics

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(13x - 7) - (21x - 9) = ?

Respuesta :

Аноним Аноним

07-02-2018

(13 x - 7) - (21x - 9) = 13x - 7 - 21x + 9 = -8x + 2

Answer Link

Аноним Аноним

07-02-2018

13x - 21x = -8x.
-7 -(-9) = 2.
So final answer is -8x +2. Hope it helps!

Answer Link

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