Respuesta :

Answer:

x=7.4

Step-by-step explanation:

2.4+x=9.8

(x=9.8-2.4)

x=7.4

Answer:

7.4

Step-by-step explanation:

2.4+x=9.8

subtract 2.4 from both sides to get:

x=7.4

that's your answer :)