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04-01-2018
Mathematics

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Solve 7/b-36=a/72=28/b

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LerenStudy LerenStudy

04-01-2018

(7/b)-36=(28/b)
(7/b)-(28/b)=36
7-28=36b
-21=36b
-21/36=b

Therefore:
28/b=a/72
28/(-21/36)=a/72
28 * (36/-21)=a/72
-48=a/72
72* -48 = a
a=-3456

a=-3456
b=-21/36

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