jorgealbertomar jorgealbertomar

13-09-2017
Mathematics

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Simplify: 19x – y – 2z + x + 5y + 2z

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Аноним Аноним

13-09-2017

Add 19x and x to get 20x.20x−y−2z+5y+2zAdd −y and 5y to get 4y.20x+4y−2z+2zAdd −2z and 2z to get 0.20x+4y+0Add 20x and 0 to get 20x.20x+4y

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