alvaradogabriela891 alvaradogabriela891
  • 12-10-2018
  • Mathematics
contestada

evaluate 12x-(4y+7z) for x=9 y=4 z=2

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In2018
In2018 In2018
  • 12-10-2018
The answer is 78

12x9=108

4x4=16

7x2=14

16+14=30

So, 108-30=78

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