kimberlymartinez123k kimberlymartinez123k

19-10-2018
Mathematics

contestada

−1 < 9 + x < 17
[tex]−1 \ \textless \ 9 + x \ \textless \ 17[/tex]

Respuesta :

chloe8668 chloe8668

21-10-2018

divide the equation in two ways to solve the solution;
The first solution:
[tex] - 1 < 9 + x \\ - 1 - 9 < x \\ - 10 < x \\ x > - 10[/tex]
another solution:
[tex]9 + x < 17 \\ x < 17 - 9 \\ x < 8[/tex]
Therefore,
[tex] - 10 < x < 8[/tex]

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