PERT Practice Test 2025 – Comprehensive Study Guide for Postsecondary Education Readiness Success!

Question: 1 / 400

What is the result of simplifying the expression 6x + 9 - 3x + 1?

3x + 8

To simplify the expression 6x + 9 - 3x + 1, you start by combining like terms.

First, look at the terms that involve x: you have 6x and -3x. When you combine these, you subtract 3 from 6, which gives you 3x.

Next, you can combine the constant terms. Here, you have 9 and 1. Adding these together, you get 10.

Putting it all together, you have 3x from the x terms and 10 from the constant terms. Therefore, the simplified expression is 3x + 10.

This demonstrates how correctly combining like terms – both the x terms and the constant terms – leads to the accurate simplified form. In the context of the provided options, while 3x + 10 was not the selected answer, the process and method leading to the right simplification is critical for understanding how to work with algebraic expressions effectively.

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9x + 10

3x + 10

6x + 10

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