Respuesta :

morgaine816
Subtract 12 from both sides
[tex]- \frac{1}{2} x+12-12=-16 \frac{1}{2} -12[/tex][tex]- \frac{1}{2}x=-28 \frac{1}{2} [/tex]
Divide by -[tex] \frac{1}{2}[/tex] which means multiply by -2
[tex]x=-28 \frac{1}{2} *-2=57[/tex]

Hope that helps

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