Question

1. 5а-7в,якщо а= - 4 і в = 2

Answer 1

Ответ:

-34

Объяснение

5*(-4)-7*(2)=-20-14

Answer 2

To evaluate the expression 5а-7в when а = -4 and в = 2, we substitute the given values into the expression and perform the arithmetic:

5(-4) - 7(2)

= -20 - 14

= -34

Therefore, when а = -4 and в = 2, the value of the expression 5а-7в is -34.