Answer:
5.5g + 1
Step-by-step explanation:
1. Change the 3.5g - 1.5 into a addition expression... 3.5g + (-1.5)
2. Use the commutative and associative property: (3.5g + 2g) + (2.5 + (-1.5))
3. Solve. 3.5g + 2g = 5.5 g and 2.5 + (-1.5) = 1
4. Add the numbers together: 5.5g + 1
