MiraSenpai
MiraSenpai
11-09-2017
Mathematics
contestada
a number n plus 7 is less than or equal to 9
Respuesta :
yolswag
yolswag
11-09-2017
so n+7is ≤9
subtract the 7
n≤9
so n is all numbers less than 9 including 9 itself
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