Respuesta :

Answer:

1. is the number.

Step-by-step explanation:

=>6+x=7x

=>7x=7x

=>x=7x/7

=>x=1.

hope it helps you..

iptize

Answer:

1

Step-by-step explanation:

6+x=7x

7x-x=6

6x=6

6x=6

6 6

x=1