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Evaluate variable expressions involving rational numbers

The result of evaluating the expression \(-5.7 - 16d\) for \(d = 0.4\) is \(-12.1\).

Would you like further details or have any questions? Here are some related questions for practice:

1. What is the result of \( -3.2 - 10d \) when \( d = 0.5 \)?
2. Evaluate \( 5 - 12d \) for \( d = 0.7 \).
3. Solve \( -8 + 6d \) for \( d = 0.25 \).
4. What is \( -9.4 - 7d \) when \( d = 0.6 \)?
5. Calculate \( -7.1 - 20d \) for \( d = 0.3 \).

**Tip:** When substituting values for a variable, always apply the correct order of operations (e.g., multiplication before addition or subtraction).

Evaluate the expression -5.7 - 16d for d = 0.4.

Learn how to evaluate the algebraic expression -5.7 - 16d when d = 0.4. This example covers basic algebraic concepts, substitution, and arithmetic operations. Suitable for students in Grades 6-8.

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