Question

5-3a при a =1;-3 найдите значение выражения

Answer 1

Ответ:

2 и 14

Пошаговое объяснение:

5 - 3а

при а = 1 получаем

5 - 3*1 = 5 - 3 = 2

при а = -3 получаем

5 - 3*(-3) = 5 + 9 = 14

Answer 2

Ответ:

5-3а=5-3×1=2

или

5-3а

3а=5

а=5-3

а=2

____

5-3а=5-3×(-3)=5+9=14

Answer 3

To find the value of the expression 5 - 3a when a = 1 and a = -3, we can substitute these values into the expression and simplify.

When a = 1: 5 - 3(1) = 5 - 3 = 2

When a = -3: 5 - 3(-3) = 5 + 9 = 14

So, the value of the expression 5 - 3a when a = 1 is 2, and when a = -3 is 14.