Seudónimo Seudónimo

19-03-2017
Mathematics

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help me please explain me how I work this problems. i need help with all of them.

help me please explain me how I work this problems i need help with all of them class=

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dannytran dannytran

19-03-2017

1. x-3 < 7
x-3+3 < 7+3
x < 3
basically make the pronumeral by itself

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