Respuesta :

your answer would be : x=-14
12=-2(x+8)
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Simplify and flip
12=-2(x+8)
12=(-2)(x)+(-2)(8)
12=-2x+-16
12=-2x-16
-2x-16=12
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Add 16 on each side
-2x-16+16=12+16
-2x=28
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Now, divide each side by -2
-2x ÷ -2 = 28 ÷ -2
x = -14