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evaluate the expression when w = 2 and y = 5

10 (3w - 2y)

1 answer

To evaluate the expression \(10(3w - 2y)\) when \(w = 2\) and \(y = 5\), you can follow these steps:

  1. Substitute \(w\) and \(y\) into the expression:

    \[ 10(3(2) - 2(5)) \]

  2. Calculate the products inside the parentheses:

    \[ 3(2) = 6 \quad \text{and} \quad 2(5) = 10 \]

  3. Now substitute these values back into the expression:

    \[ 10(6 - 10) \]

  4. Perform the subtraction inside the parentheses:

    \[ 6 - 10 = -4 \]

  5. Finally, multiply by 10:

    \[ 10(-4) = -40 \]

So, the value of the expression \(10(3w - 2y)\) when \(w = 2\) and \(y = 5\) is \(-40\).