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Mathematics 9 Online
OpenStudy (anonymous):

15b-301

OpenStudy (aripotta):

you have to add 1 to both sides

OpenStudy (anonymous):

15b = 31 step 1 correct as both sides you will get 29

OpenStudy (anonymous):

step 2 wrong as 15b = 31

OpenStudy (aripotta):

but..step one is wrong

OpenStudy (anonymous):

no its correct because you are subtracting 1 twice from 15b

OpenStudy (aripotta):

in step one he's subtracting 1. he'd supposed to add 1

OpenStudy (aripotta):

he's*

OpenStudy (aripotta):

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