Let's simplify the given expression step by step:

The expression is:

5c - 2d + 3d - d

1. Combine the like terms involving d:

   • $-2d + 3d - d = (3 - 2 - 1)d = 0d$.

2. The expression becomes: 5c + 0d

3. Simplify further: 5c

Final Answer: 5c

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Would you like a detailed explanation or help with a similar problem?

Here are 5 related questions to practice:

1. Simplify $6x - 3y + 4y - 5x$.
2. Expand and simplify $3a + 2b - b - 2a + 4$.
3. Simplify $7m - 2n + 3n - 5m - n$.
4. Combine like terms: $10p - 4q + 6q - 5p + p$.
5. Simplify $8k - 3j + 2j - k$.

Tip: When combining terms, group similar variables and add or subtract their coefficients systematically.