Answer:
1. 5x + 8
2. 11x + 10
Step-by-step explanation:
1. 2x + 1 + 3x + 7
Combine like terms:
2x + 3x + 1 + 7
Add coefficients
5x + 8
2. 5x + 2(3x + 5)
Distribute the 2 by multiplying by each term inside the parentheses:
5x + 6x + 10
Combine like terms by adding coefficients
11x + 10
