nygiel40 nygiel40
  • 19-12-2014
  • Mathematics
contestada

9+(3b + 8)=(3b + 8)+9

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konrad509
konrad509 konrad509
  • 19-12-2014
[tex]9+(3b + 8)=(3b + 8)+9\\ 9+3b+8=3b+8+9\\ 0=0\\ b\in\mathbb{R}[/tex]
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AwfulLife
AwfulLife AwfulLife
  • 19-12-2014
9+3b+8=3b+8+9

0=0

solution set=R
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