California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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What is the simplified form of the expression 3(2x + 4) - 5?

6x + 1
6x + 7
6x + 10
6x + 12

The correct answer is: 6x + 7

To simplify the expression 3(2x + 4) - 5, start by distributing the 3 to both terms inside the parentheses. This means you multiply 3 by 2x and then multiply 3 by 4: 3 * 2x = 6x 3 * 4 = 12 So, after distribution, the expression becomes 6x + 12. Next, you need to subtract 5 from the result: 6x + 12 - 5 Now, simplify 12 - 5 to get 7. Therefore, the expression simplifies to: 6x + 7. This means that the correct answer is the one that represents the simplified form, which is 6x + 7.