Question

А + (7 – а) - (14 - а)=

Answer 1

Ответ:

Пошаговое объяснение:

а+(7-а)-(14-а) = а+7-а-14+а = -7+а

Answer 2

To simplify the expression А + (7 – а) - (14 - а), let's follow the order of operations:

1. Start with the parentheses:

   • (7 - а) = 7 - а
   • (14 - а) = 14 - а

2. Distribute the negative sign inside the second set of parentheses:

   • • (14 - а) = -14 + а

Now the expression becomes: А + (7 - а) - (14 + а)

3. Combine like terms within the parentheses:
   • (7 - а) - (14 + а) = 7 - а - 14 - а = -2а - 7

Now the expression becomes: А + (-2а - 7)

4. Combine the terms within the expression:
   • А + (-2а - 7) = А - 2а - 7

So, the simplified expression is: А - 2а - 7