Explicación paso a paso:
[tex]2x - 9 = - 17 \\ 2x = - 17 + 9 \\ 2x = - 8 \\ x = \frac{ - 8}{2} = - 4 \\ 2 \times ( - 4) - 9 = - 8 - 9 = - 17[/tex]
espero te sirva
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Explicación paso a paso:
[tex]2x - 9 = - 17 \\ 2x = - 17 + 9 \\ 2x = - 8 \\ x = \frac{ - 8}{2} = - 4 \\ 2 \times ( - 4) - 9 = - 8 - 9 = - 17[/tex]
espero te sirva