Respuesta :

indirazaratep2ewpm
the answer is:
X=20
This is because 20-7=13 and makes a true statement
Hope this helps have a good day! :)
TreasyK

Answer:

20

Step-by-step explanation:

x-7=13

Switch to the other side

Note: When switching, the signs change to the opposite

x=13+7

x=20

Note: When switching, the signs change to the opposite