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Mathematics 18 Online
OpenStudy (anonymous):

(a+b)(a-b)/9 = a+b what is the value of a-b

hartnn (hartnn):

just cancel a+b , u get (a-b)/9=1 or a-b=9

hartnn (hartnn):

u got that^^ @leah123 ?

OpenStudy (anonymous):

yes thank you

hartnn (hartnn):

welcome :)

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