(y+4)-(y-1)=6y
y + 4 – y + 1 = 6y
y – y – 6y = – 1 – 4
-6y = -5
y = -5/-6
у=0,83333333333
(13x-15)-(9+6x)=-3x
13x – 15 – 9 – 6x = – 3x
13x – 6x + 3x = 9 + 15
10x = 24
x = 2.4
(y+4)-(y-1)=6y
y + 4 – y + 1 = 6y
y – y – 6y = – 1 – 4
-6y = -5
y = -5/-6
у=0,83333333333
(13x-15)-(9+6x)=-3x
13x – 15 – 9 – 6x = – 3x
13x – 6x + 3x = 9 + 15
10x = 24
x = 2.4