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Mathematics 18 Online
OpenStudy (anonymous):

a/2-5=10 the choices are 10 and 30

hartnn (hartnn):

add 5 to both sides, what u get?

OpenStudy (anonymous):

30??

OpenStudy (anonymous):

right?

hartnn (hartnn):

directly 30...? u guessed it ?

hartnn (hartnn):

and yes.

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