https://file.aiquickdraw.com/mathbot/file/1725488248535aepey0l1.jpg

The expression in the image is:

\[
6 \cdot 3.5 - 4.8 + (-3.1) \cdot 7 - (10.5 - 3)
\]

Let's solve this step by step.

### Step 1: Simplify the operations inside the parentheses
\[
10.5 - 3 = 7.5
\]

### Step 2: Perform the multiplications
\[
6 \cdot 3.5 = 21
\]
\[
(-3.1) \cdot 7 = -21.7
\]

### Step 3: Substitute the simplified values back into the expression
\[
21 - 4.8 - 21.7 - 7.5
\]

### Step 4: Perform the subtractions and additions from left to right
\[
21 - 4.8 = 16.2
\]
\[
16.2 - 21.7 = -5.5
\]
\[
-5.5 - 7.5 = -13
\]

The final result of the expression is \(-13\).

Would you like a detailed explanation on any of the steps? Here are five related questions:

1. How do you handle negative numbers in arithmetic operations?
2. What is the order of operations in mathematics?
3. How does multiplying by a negative number affect the result?
4. Can you explain how to solve more complex expressions with multiple parentheses?
5. How would this expression change if we altered one of the numbers?

**Tip:** Always simplify expressions inside parentheses first before performing other operations.

Simplify the expression: 6 * 3.5 - 4.8 + (-3.1) * 7 - (10.5 - 3)

Solve the expression 6 * 3.5 - 4.8 + (-3.1) * 7 - (10.5 - 3) with a detailed step-by-step explanation. Understand how to apply the order of operations, handle negative numbers, and simplify expressions. Suitable for students in Grades 6-8.

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