Combine like terms: Combine like terms by adding and subtracting the coefficients of g.Calculation: 12g+7g−10g−3g=(12+7−10−3)g=6g
Verify terms and signs: Verify that no terms have been omitted and that the signs in front of each term have been correctly applied during the calculation.Verification: All terms are accounted for, and the signs have been correctly applied.