Simplify: 2(3a - 4) + 5a.

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Multiple Choice

Simplify: 2(3a - 4) + 5a.

Explanation:
Distribute the 2 across the parentheses using the distributive property: 2(3a - 4) becomes 6a - 8. Then combine like terms with the remaining 5a: 6a + 5a = 11a, while the constant stays -8. Put it together and you get 11a - 8. A common pitfall is skipping the distribution to the -4, which would lead to an incorrect 11a - 4.

Distribute the 2 across the parentheses using the distributive property: 2(3a - 4) becomes 6a - 8. Then combine like terms with the remaining 5a: 6a + 5a = 11a, while the constant stays -8. Put it together and you get 11a - 8.

A common pitfall is skipping the distribution to the -4, which would lead to an incorrect 11a - 4.

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