Respuesta :

mhanifa

Answer:

x= 1/2

Step-by-step explanation:

Solving

  • 7x - (5x - 1) = 2
  • 7x - 5x + 1 = 2
  • 2x = 2 -1
  • 2x = 1
  • x = 1/2

Checking

  • 7*1/2 - (5*1/2 - 1) = 2
  • 7/2 - (5/2 - 1) = 2
  • 7/2 - 3/2 = 2
  • 4/2 = 2
  • 2 = 2