Respuesta :

renknee

Answer:

u = 2

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

  • [tex]-4 + u = -2[/tex]
  • [tex]u - 4 = -2[/tex]

Step 2: Add 4 to both sides.

  • [tex]u - 4 + 4 = -2 + 4[/tex]
  • [tex]u = 2[/tex]

Therefore, u = 2.