In the expression 2(x + 3), what is the value when x = 2?

Prepare for the TExES Mathematics 4-8 (115) Test with our comprehensive questions and detailed explanations. Enhance your skills and confidence for the exam.

Multiple Choice

In the expression 2(x + 3), what is the value when x = 2?

Explanation:
To find the value of the expression 2(x + 3) when x = 2, you first substitute 2 into the expression for x. Starting with the expression: \[ 2(x + 3) \] you replace x with 2: \[ 2(2 + 3) \] Next, simplify the expression inside the parentheses: \[ 2 + 3 = 5 \] Now you have: \[ 2(5) \] Then, multiply: \[ 2 \times 5 = 10 \] Thus, the value of the expression 2(x + 3) when x = 2 is 10. This matches the answer listed, which indicates that the calculation is correct, leading to the conclusion that 10 is indeed the final value derived from the expression.

To find the value of the expression 2(x + 3) when x = 2, you first substitute 2 into the expression for x.

Starting with the expression:

[

2(x + 3)

]

you replace x with 2:

[

2(2 + 3)

]

Next, simplify the expression inside the parentheses:

[

2 + 3 = 5

]

Now you have:

[

2(5)

]

Then, multiply:

[

2 \times 5 = 10

]

Thus, the value of the expression 2(x + 3) when x = 2 is 10. This matches the answer listed, which indicates that the calculation is correct, leading to the conclusion that 10 is indeed the final value derived from the expression.

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