Question

Which expression is equivalent to -5(2n - 4) + n?

A. -9n + 20
B. -9n - 20
C. -3n - 9
D. -7n - 9

Answer 1

A. -9n + 20

Explanation:

First, distribute -5 to all terms within the parenthesis:

-5(2n - 4) + n

(-5 * 2n) + (-5 * -4) + n

-10n + 20 + n

Simplify. Combine like terms:

(-10n + n) + 20

(-9n) + 20

A. -9n + 20 is your answer.

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