Respuesta :

Answer:

g=12

Step-by-step explanation:

3 + g = 15

g = 15-3

g = 12

Answer: g = 12 would make the equation into a true number sentence.

Steps:
3 + g = 15
g = 15 - 3
g = 12

Check:
3 + g = 15
3 + 12 = 15
15 = 15 ✅

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