Which expression represents the sum of a number x and five times that number?

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Prepare for the Praxis Middle School Mathematics Exam with quizzes. Study with flashcards and multiple choice questions. Each question provides hints and detailed explanations. Ensure success on your test!

Multiple Choice

Which expression represents the sum of a number x and five times that number?

Explanation:
Think about combining like terms: five times a number x is 5x. When you add the original x to that, you get x + 5x. Since both terms have x, you can factor to 6x if you simplify. The other forms mix subtraction or a different kind of term (like x^2 + 5), which aren’t representing the sum of x and five times x. So the expression for that sum is x + 5x.

Think about combining like terms: five times a number x is 5x. When you add the original x to that, you get x + 5x. Since both terms have x, you can factor to 6x if you simplify. The other forms mix subtraction or a different kind of term (like x^2 + 5), which aren’t representing the sum of x and five times x. So the expression for that sum is x + 5x.

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