Question

- (a+b)+a-(-b+k) Решите пожалуйста9С раскрытием скобок и т.д.

Answer 1

- (a+b)+a-(-b+k)=-a-b+a+b-k= -k
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Answer 2

Solving the Expression (a+b)+a-(-b+k)

To solve the expression (a+b)+a-(-b+k), we need to follow the order of operations, which is parentheses, exponents, multiplication and division (from left to right), and addition and subtraction (from left to right). Let's break down the expression step by step.

1. Simplify the Expression: - (a+b)+a-(-b+k)

2. Apply the Rules of Arithmetic: - First, we need to simplify the expression within the parentheses. - Then, we can proceed with the addition and subtraction operations.

3. Solving Step by Step: - (a+b)+a-(-b+k) - = a + b + a + b - k

4. Combine Like Terms: - = 2a + 2b - k

So, the simplified form of the expression (a+b)+a-(-b+k) is 2a + 2b - k.