What is the value of 4x - 9 when x = 4?

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Multiple Choice

What is the value of 4x - 9 when x = 4?

Explanation:
You evaluate a linear expression by substituting the given value for the variable. Replace x with 4 in the expression: 4x - 9 becomes 4(4) - 9. Compute 4 times 4 to get 16, then subtract 9 to get 7. So the value is 7.

You evaluate a linear expression by substituting the given value for the variable. Replace x with 4 in the expression: 4x - 9 becomes 4(4) - 9. Compute 4 times 4 to get 16, then subtract 9 to get 7. So the value is 7.

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