 
Arturo O. answered  12/06/19
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No.
8h + h is equivalent to 9h, but 8h + 1 is not.
Erica L.
asked  12/06/19 
Arturo O. answered  12/06/19
Experienced Physics Teacher for Physics Tutoring
No.
8h + h is equivalent to 9h, but 8h + 1 is not.
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