Does anyone know how to start the process of answering this?

Mathematics
Tutor: None Selected Time limit: 1 Day

z/7 = z/8 + 1

Jan 24th, 2015

z/7 = z/8 + 1

z/7-z/8=1

(8z-7z)/56=1

8z-7z=56

z=56

rate my answer as best please

Jan 24th, 2015

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Jan 24th, 2015
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Jan 24th, 2015
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