Предмет: Математика, автор: matviicipan

Розв'яжи рівняння
a)12/17x=1
б)y/12=7/15
в)24/35=z-1/0.7
г)21/3n=14/5
Пжпжпжпж

Ответы

Автор ответа: k6646506
3

Ответ:

12/17x=1

17x=1-12

17x=-11

x=17/-11

x=1 -6/11

y/12=7/15

y=7+15-12

y=34

24/3n=14/5

3n=14+5-24

3n=-5

n=3/-5

21/3n=14/5

3n=14+5-21

3n=-2

n=3/-2

n=1 -1/2

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