Using the substitution property, if x = 5, evaluate 3x - 7.

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Multiple Choice

Using the substitution property, if x = 5, evaluate 3x - 7.

Explanation:
Substitution lets you replace a variable with a given value and then simplify. With x equal to 5, the expression 3x - 7 becomes 3(5) - 7. Multiply first: 3 times 5 is 15. Then subtract 7: 15 - 7 equals 8. So the value is 8.

Substitution lets you replace a variable with a given value and then simplify. With x equal to 5, the expression 3x - 7 becomes 3(5) - 7. Multiply first: 3 times 5 is 15. Then subtract 7: 15 - 7 equals 8. So the value is 8.

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