Предмет: Математика, автор: vitya300zbs

Розв'яжи рівняння:5z+z-42=18
(Даю 20 балів дуже треба)

Ответы

Автор ответа: ffchlcuofxyofful

3

Ответ:

6z-42-18

6z=18+42

62=60

z-60:6

Z=10

Автор ответа: andriygrikoruk751

2

5z+z-42=18

6z-42=18

6z = 18 + 42

6z = 60

z = 60/

z = 10

Пошаговое объяснение:Так вышло потому-что, пустая z без числа как 1

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