срочно с проверкой побыстрее 10б. Created by ulaklippert. matematika-ru

Ответ:у = 5Пошаговое объяснение:Решение:8 • у - 8 • = 35у - 22 = 35у = 3 + 225у = 25у = 25 : 5у = 5_____________Проверка:( • 5 - ) • 8 = 3(3 - ) • 8 = 3(2 - ) • 8 = 3 • 8 = 3

срочно с проверкой побыстрее 10б...

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срочно с проверкой побыстрее 10б

Answers & Comments

mordvinceva1705

Ответ:

у = 5

Пошаговое объяснение:

Решение:

8 • $\frac{5}{8}$ у - 8 • $2\frac{3}{4}$ = 3

5у - 22 = 3

5у = 3 + 22

5у = 25

у = 25 : 5

у = 5

_____________

Проверка:

( $\frac{5}{8}$ • 5 - $2\frac{3}{4}$ ) • 8 = 3

(3 $\frac{1}{8}$ - $2\frac{3}{4}$ ) • 8 = 3

(2 $\frac{9}{8}$ - $2\frac{6}{8}$ ) • 8 = 3

$\frac{3}{8}$ • 8 = 3

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