Respuesta :

Answer:

g = 12

Step-by-step explanation:

g + 7 - 4 = 15

g = 15 - 3 = 12

g=7-4=15

We move all terms to the left:

g-(7-4)=0

We add all the numbers together, and all the variables

g-3=0

We move all terms containing g to the left, all other terms to the right

g=3