Consider the equation: 3(–4n – 9) = 21 Use the distributive property and properties of equality to solve for n. n = ???

asked Feb 2, 2021 150k views

2 votes

Consider the equation: 3(–4n – 9) = 21

Use the distributive property and properties of equality to solve for n.

n = ???

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1 vote

Answer:

-4

The second one.

Explanation:

Max Yankov answered Feb 4, 2021

8.5k points

5 votes

3(-4b - 9) = 21

3 * -4 = -12 3 * -9 = -27

-12b - 27 = 21
+27 +27

-12b = 48 “Divide both sides by 12b”

n = -4

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