Respuesta :

Solution:

Step-1: Subtract 4.3 both sides.

  • x/5 + 4.3 = 12.4
  • => x/5 + 4.3 - 4.3 = 12.4 - 4.3
  • => x/5 = 8.1

Step-2: Use cross multiplication to find x.

  • x/5 = 8.1
  • => x = 8.1 x 5
  • => x = 40.5

Hence, the value of x is 40.5.