Question

решите уравнение 1 56-(y+23)=1 12

Answer 1

1 56-(y+23)=1 12

 

-(y+2/3)= -1 5/6 + 1 1/2

 

-y = -1 5/6 -+1 3/6 + 4/6 

 

-y =  2/6

 

y = - 2/6

Answer 2

6/5-у-2/3=3/2

приведем к общему знаменателю 30

36/5-30у/30-20/30=45/30

16/30-45/30=-30у/30

у=-29/30