Respuesta :

Step-by-step explanation:

z = 8

5 + 2z

5 + 2 × 8

5 + 16

21

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annamccalla22

Answer: z=-4.25

Step-by-step explanation: Assuming that 8.5+2z=0, you would first subtract 8.5 from both sides, resulting in 2z=-8.5. Then divide both sides by 2, leaving z=-4.25

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