Respuesta :

SDCInfinity

Answer:

The number is 10.

Step-by-step explanation:

[tex]2(7+x)=34\\14+2x=34\\2x=20\\x=10[/tex]

adhishshiji1234

Answer:

answer is 10

explanation

when u add 7 with 10 u get 17 then double of 17 is 34

I hope It helps