Respuesta :

-2x - 7 = 12

Adding 7 at both sides of the equation, we get:

-2x - 7 + 7 = 12 + 7

-2x = 19

Dividing by -2 at both sides of the equation, we get:

[tex]\begin{gathered} \frac{-2x}{-2}=\frac{19}{-2} \\ x=-\frac{19}{2}=-9.5 \end{gathered}[/tex]

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