amanda2121 amanda2121
  • 17-12-2020
  • Mathematics
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Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 17-12-2020

9514 1404 393

Answer:

  x = 5

Step-by-step explanation:

We can subtract 3x, add 12, and divide by 4.

  7x -12 = 3x +8

  4x -12 = 8 . . . . . . . . subtract 3x

  4x = 20 . . . . . . . . . . add 12

  x = 5 . . . . . . . . . . . . divide by 4

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