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Naya [18.7K]
2 years ago
13

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

Mathematics
1 answer:
ser-zykov [4K]2 years ago
8 0

Answer:

A. -9n + 20

Step-by-step 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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<h3>How to describe the sum in terms of p and q?</h3>

The summation expression is given as:

p + (-q)

In the above summation expression, we assume that:

p ⇒ Positive number

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Having said that:

The expression -q would go in the negative direction if plotted on a number line

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