Respuesta :

mhanifa

Answer:

  • A and B

Step-by-step explanation:

Solve the equation and compare with the choices:

  • 6x = 42 ⇒ x = 7
  • (A) x - 7 = 0 ⇒ x = 7, yes
  • (B) 4x/2 = 14 ⇒ 2x = 14 ⇒ x = 7, yes
  • (C) x - 1 = 8 ⇒ x = 9, no
  • (D) 6x - 1 = 23 ⇒ 6x = 24 ⇒ x = 4, no
  • 6x=42
  • x=42/6
  • x=7

#A

  • x-7=0=>x=7

Yes

#B

  • 4x/2=14
  • 2x=14
  • x=7

Yes

Rest are not

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