Question

Помогите №1049 даю 10 баллов

Answer 1

Ответ:

x=7, x=3

1)

2/15/3x-5/15-1/12=1/24

2/3x-5-1/12=1/24

2/3x-5=1/24+1/12

2/3x-5=1/8

16=3x-5

-3x=-5-16

-3x=-21

x=7

2)

2/9/5/9x-1/2+1/7=1/3

2/9/10x-9/18+1/7=1/3

4/10x-9+1/7=1/3

4/10x-9=1/3-1/7

4/10x-9=4/21

10x-9=21

10x=21+9

10x=30

x=3