Respuesta :

nermay7

Answer: Mary has  16 video games.

Step-by-step explanation:

x+(x+2) =30

2x + 2 =30

       -2   -2

2x =28

x= 14  

(14+ 2) = 16

bogadu

Answer:

16

Step-by-step explanation:

Let assume that the number of video games John has is x, the number of video games Mary has then will be x + 2. Based on this, calculations are made below.

x + (x + 2) = 30

2x = 28

x = 14

Mary has (2 + 14) video games = 16

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