Question

Describe how to solve the inequality 3(a+5)<9

Answer 1

First, let's use the distributive property on 3(a+5)

3(a + 5) = 3a + 3(5) = 3a + 15

Now, let's go back to the inequality

3(a+5) < 9

Use the distributive property

3a + 15 < 9

Subtract both sides by 15

3a < -6

Divide both sides by 3

a < -2

That's your answer.

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