240002283
240002283
29-08-2020
Physics
contestada
A number n plus 7 is less than or equal to 9.
Respuesta :
zulkaifzahid2007
zulkaifzahid2007
29-08-2020
Answer:
n=2
Explanation:
n+7=9
n=9-7
n=2
+ -= -
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