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 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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