Question

2a - (2,4b - a) - (5a - 4,7b)

Answer 1

Ответ:

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Пошаговое объяснение:

Answer 2

To simplify the expression, let's perform the operations step by step:

1. Distribute the negative sign inside the parentheses:
   • (2,4b - a) becomes -2,4b + a
   • (5a - 4,7b) becomes -5a + 4,7b

Now the expression becomes:

2a - (-2,4b + a) - (-5a + 4,7b)

2. Remove the double negative signs:

2a + 2,4b - a + 5a - 4,7b

3. Combine like terms:

(2a - a + 5a) + (2,4b - 4,7b)

4. Simplify further:

6a + (-2,4b + 4,7b)

5. Combine like terms again:

6a + (4,7b - 2,4b)

6. Simplify the expression inside the parentheses:

6a + 2,3b

So, the simplified expression is:

6a + 2,3b