Respuesta :

Answer:

  -3

Step-by-step explanation:

Solve this 2-step linear equation by first adding the opposite of the unwanted constant.

  0.7x -1.4 = -3.5 . . . . . . . given

  0.7x = -2.1 . . . . . . . . . add 1.4 to both sides

  x = -2.1/0.7 = -3 . . . . divide by the coefficient of x

The value of x in the equation is -3.