Question

СРОЧНО ❗❗❗ в 1 шкафу было в 3 раза меньше книг, чем в другом. Когда в первый шкаф положили 20 книг, а из второго взяли 6, то в обоих шкафах книг стало поровну. Сколько книг было в каждом шкафу?​

Answer 1

Ответ:

в 1-14

во 2-56

Пошаговое объяснение:

1)x+17=4x-25

2)3x=42

3)x=14 книг в 1 шкафу

4)4×14=52 книг во 2 шкафу

Answer 2

Solution:

Let's denote the number of books in the first cabinet as x and the number of books in the second cabinet as 3x (since the first cabinet had three times fewer books than the second).

Given: - Initially, the first cabinet had 20 books added to it, and the second cabinet had 6 books taken from it. - After these operations, both cabinets had an equal number of books.

We can set up the following equation to solve for the number of books in each cabinet:

x + 20 = 3x - 6

Now, let's solve for x:

x + 20 = 3x - 6 20 + 6 = 3x - x 26 = 2x x = 13

So, the first cabinet initially had 13 books, and the second cabinet had 3x = 39 books.

Answer:

- The first cabinet initially had 13 books, and the second cabinet had 39 books.