Respuesta :

First open the bracket by multiplying with 25

25g -25×7 =3

25g -175 =3

Add 175 to both sides

25g -175+175= 3+175

25g = 178


g = 178/25 is the value.

My guess is 15. I subtracted 3 from 25 and got 22 then took 7 from 22 and got 15. Sorry if I'm wrong. Hope this helps! - Laurel