Let's solve the expression step by step:

\[
2(2 - 3) + (8 + 4)
\]

1. First, handle the parentheses:
   - \( 2 - 3 = -1 \)
   - \( 8 + 4 = 12 \)

Now substitute these values back into the expression:

\[
2(-1) + 12
\]

2. Multiply:
   - \( 2 \times (-1) = -2 \)

So, the expression becomes:

\[
-2 + 12
\]

3. Finally, add the remaining values:

\[
-2 + 12 = 10
\]

Thus, the result is:

\[
\boxed{10}
\]

Would you like any further details or explanations? Here are some related questions you might find interesting:

1. What is the order of operations in more complex expressions?
2. How would the answer change if the expression were \(2(3-2)+(8+4)\)?
3. Can parentheses and order of operations change the result of an expression?
4. How do you simplify expressions with multiple brackets?
5. What happens when negative numbers are involved in more complex expressions?

**Tip:** Always follow the order of operations, commonly remembered as PEMDAS (Parentheses, Exponents, Multiplication/Division, Addition/Subtraction).

Learn how to solve the arithmetic expression 2(2-3)+(8+4) using the order of operations (PEMDAS). This problem demonstrates how to handle parentheses and multiplication in a simple algebraic expression. Suitable for students in Grades 5-7.

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