Respuesta :

Answer:

12

Step-by-step explanation:

25-13=x

x=12

Sydnet

Answer:

x=12

x is being isolated

Step-by-step explanation:

I'm assuming you mean to solve for x? if so

you have to first isolate x

x+13=25 subtract 13 from both sides

-13 -13

x= 12 there's ur answer