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Brilliant_brown [7]
3 years ago
11

Graph x+3<1/2(4x-12)<20

Mathematics
1 answer:
Leni [432]3 years ago
8 0
x+3 < \dfrac{1}{2}(4x-12) < 20\\\\x+3 < 2x-6 < 20

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

Look at the picture.

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