How do you find the unknown value of #8div2=n#?

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Answer 1 · 2016-11-24T11:34:17

#n=4#

Write as #" "8/2=n#

Turn it round the other way and it is still true

#n=8/2#

Divide top and bottom of the fraction by 2

#n=(8-:2)/(2-:2) = 4/1=4#

#n=4#