Simpaify
18-24
4.2
19.71
12.29
1.43
-1.43

To simplify the expression involving the given numbers, we'll sum them up. The numbers are:

\[
18 - 24 + 4.2 + 19.71 + 12.29 + 1.43 - 1.43
\]

Let's calculate:

1. **Combine positive numbers**: 
   \[
   18 + 4.2 + 19.71 + 12.29 + 1.43 = 55.63
   \]
2. **Combine negative numbers**: 
   \[
   -24 - 1.43 = -25.43
   \]
3. **Add the sums**:
   \[
   55.63 - 25.43 = 30.2
   \]

So, the simplified result is **30.2**.

Would you like more details on any step or do you have any other questions?

Here are 5 related questions:
1. What happens if one of the numbers is multiplied instead of added?
2. How do you handle expressions involving decimals and fractions?
3. How do you simplify an expression with parentheses?
4. Can you explain the difference between adding and subtracting negative numbers?
5. How do rounding rules affect the final answer in decimal arithmetic?

**Tip:** When simplifying expressions, always combine like terms (positive with positive, negative with negative) to avoid mistakes.

Learn how to simplify the arithmetic expression involving numbers: 18, 24, 4.2, 19.71, 12.29, 1.43, and -1.43. Follow a step-by-step solution to combine positive and negative numbers correctly. Suitable for Grades 6-8 students.

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