Question

(2а-5)-(7-2а+4) преобразовать

Answer 1

Решение:
(2а-5)-(7-2а+4)=(2а-5)-(11-2а)=2а-5-11+2а=4а-16

Ответ: 4а-16

Answer 2

(2a-5)-(7-2a+4)=(2a-5)-(11-2a)=2a-5-11+2a=4a-16

Answer 3

Simplifying the Expression

To simplify the expression (2a-5)-(7-2a+4), we can 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 steps:

1. Simplify the expression inside the parentheses: (7-2a+4). - Combine like terms: 7 + 4 = 11. - Rewrite the expression: (11 - 2a).

2. Rewrite the original expression with the simplified expression inside the parentheses: (2a - 5) - (11 - 2a).

3. Distribute the negative sign to the terms inside the second set of parentheses: - Change the signs of the terms inside the parentheses: (2a - 5) - 11 + 2a.

4. Combine like terms: - Combine the 2a and -2a terms: 2a + 2a = 4a. - Combine the -5 and -11 terms: -5 - 11 = -16.

5. Rewrite the expression with the combined terms: 4a - 16.

Therefore, the simplified expression is 4a - 16.

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