To simplify the expression $5c + 2c + 3$:

1. Combine the like terms (terms that have the variable $c$): $5c + 2c = 7c$

2. The simplified expression is: $7c + 3$

Would you like more details or have any questions?

Here are 5 related questions:

1. How would you simplify the expression $4x + 3x + 5$?
2. What is the result of combining like terms in $6a + 9a + 2$?
3. How do you simplify the expression $8m + m - 4$?
4. Can you simplify $10p - 3p + 7$?
5. How would you simplify $12y + 3y + 6$?

Tip: Always combine like terms (those with the same variable) to simplify algebraic expressions.