Respuesta :

Answer:

w = 10

Step-by-step explanation:

  • 52 = 12 + 4w

Move the constant to the left hand side and change their sign.

  • [tex] \sf↬ 52 - 12 = 4w [/tex]

Subtract.

  • [tex]↬ \sf \: 40 = 4w[/tex]

Divide both side by 4.

  • [tex]↬ \sf \frac{4w}{4} = \frac{40}{4} \\ [/tex]
  • [tex]↬ \sf w = 10[/tex]
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