Respuesta :

[ Answer ]

[tex]\boxed{X \ = \ 17.9}[/tex]

[ Explanation ]

33.3 + x = 51.2

Subtract 33.3 From Both Sides:

33.3 + x - 33.3 = 51.2 - 33.3

Simplify:

X = 17.9

[tex]\boxed{[ \ Eclipsed \ ]}[/tex]