zailaroldan
zailaroldan zailaroldan
  • 19-09-2017
  • Mathematics
contestada

How do you answer this 2(7-79)=2•7-2•9 ?

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GiGi2150 GiGi2150
  • 19-09-2017
It is not true because 7-79= -72. Also 2x7-2x9 and that = 14-18 which then = -4. So overall -144 is not = to -4. I hope this helps.
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