Question

Спрости вираз 5a-2a-7a+7a

Answer 1

Вынесем а за скобку и получим:

(5 - 2 - 7 + 7)a = 3a

Answer 2

Ответ:

Пошаговое объяснение:

Вынесем а за скобку:

(5 - 2 - 7 + 7)a = 3a

Answer 3

Simplifying the Expression 5a - 2a - 7a + 7a

To simplify the given expression 5a - 2a - 7a + 7a, we can combine like terms. Like terms are terms that have the same variable raised to the same power.

Combining Like Terms: First, let's combine the like terms in the expression: 5a - 2a - 7a + 7a

Solving the Expression: 5a - 2a - 7a + 7a simplifies to: (5 - 2 - 7 + 7)a

Now, let's calculate the numerical values: (5 - 2 - 7 + 7) = 3

So, the simplified expression is: 3a