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Solve the inequality: −7 ≤ 9 - 8x < 17
utme-mathematics-2019 jamb jamb-2019 jamb-mathematics-2019 math
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Solve the inequality: −7 ≤ 9 - 8x < 17

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judziy
Asked by judziyrep:2.1K
University of Benin Nigeria
25 August 2020

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peter
Peter answeredrep:1.9K
University of Lagos Nigeria
28 August 2020
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- 7 ≤ 9 - 8x < 17

subtract 9 all through

- 7 - 9 ≤ 9 - 8x - 9 < 17 - 9

- 16 ≤ - 8x < 8

divide throught by -8

- 16/-8 ≤ - 8x/-8 < 8/-8

 2 ≥ x > -1

=  -1 <  x ≤ 2

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