Question

Помогите плиз!
1) -5/7 -(m-1)=11/14
2)1 5/6-(y+2/3)=1 1/2

Answer 1

1)-5/7-(m-1)=11/14
m-1=-5/7-11/14
m=1-5/7-11/14
m=7/7-5/7-11/14
m=-1/2
2)1 5/6-(у+2/3)=1 1/2
У+2/3= 1 5/6-1 1/2
У=1/5/6-1 1/2-2/3
У=-2/6=-1/3