Arthur D. answered 09/27/17
Tutor
5.0
(267)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
n=the number
9*n=n+56
9n-n=56
8n=56
n=56/8
n=7
Elle N.
asked 09/27/17Arthur D. answered 09/27/17
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
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