Respuesta :

chrysanthemum
Hello!

  8u - 8 = -7(u - 1)    Given
  8u - 8 = -7u + 7     Apply Distributive Property
15u - 8 = 7              Add 7u to both sides
     15u = 15             Add 8 to both sides
         u = 1               Divide both sides by 15

Answer:
u = 1

Hope this helps!