jasminetrevinop8b8sd jasminetrevinop8b8sd
  • 06-05-2018
  • Mathematics
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graph x+3<1/2(4x-12)<20

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gmany
gmany gmany
  • 12-05-2018
[tex]x+3 < \dfrac{1}{2}(4x-12) < 20\\\\x+3 < 2x-6 < 20[/tex]

[tex]x+3 < 2x-6\ \wedge\ 2x-6 < 20\\\\x-2x < -6-3\ \wedge\ 2x < 20+6\\\\-x < -9 \ \wedge\ 2x < 26\\\\x > 9\ \wedge\ x < 13[/tex]

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