Answer:
g = 4
Explanation:
3.2g + 7 = 1.2g + 15 (Given)
3.2g + 7 - 7 = 1.2g + 15 - 7 (Subtraction Property of Equality)
3.2g = 1.2g + 8 (Simplify)
3.2g - 1.2g = 1.2g - 1.2g + 8 (Subtraction Property of Equality)
2g = 8 (Simplify)
(Division Property of Equality)
g = 4 (Simplify)