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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