Evaluate 3y + z when y = 2 and z = 3.

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Study for the GMAS 6th Grade Mathematics Test. Prepare with flashcards and multiple choice questions that feature hints and explanations. Equip yourself for success!

Multiple Choice

Evaluate 3y + z when y = 2 and z = 3.

Explanation:
Evaluating a linear expression by substituting the given values for the variables is the idea. Replace y with 2 and z with 3 in 3y + z. Multiply: 3 × 2 = 6. Then add z: 6 + 3 = 9. So the expression equals 9. This shows how each part contributes: the 3y term becomes six, and the z term adds three more.

Evaluating a linear expression by substituting the given values for the variables is the idea. Replace y with 2 and z with 3 in 3y + z. Multiply: 3 × 2 = 6. Then add z: 6 + 3 = 9. So the expression equals 9. This shows how each part contributes: the 3y term becomes six, and the z term adds three more.

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