isypatel12345
isypatel12345 isypatel12345
  • 04-03-2021
  • Mathematics
contestada

3x+5=12-7x solve? Help ​

Respuesta :

AMIM14
AMIM14 AMIM14
  • 04-03-2021

Answer:

3x + 5 = 12 - 7x

⇒ 3x = 12 - 5 - 7x

⇒ 3x = 7 - 7x

⇒ 3x + 7x = 7

⇒ 10x = 7

⇒ x= 7 ÷ 10

⇒ x = 0.7

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