Question

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simplify the expressions
1. 2x + 1 + 3x + 7
2. 5x + 2(3x + 5)
(two different questions)

Answer 1

1. 5x + 8
2. 11x + 10

Hope that helped!!

Answer 2

1. 5x + 8

2. 11x + 10

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