1. 5у + 18 = 8у 2. 16 - 2х = 3х 3. 1/3х = 25 решите плз

Question

1. 5у + 18 = 8у
2. 16 - 2х = 3х
3. 1/3х = 25
решите плз

Answer 1

1) 5y+18=8y
5y-8y=-18
-3y=-18
y=-18:(-3)
y=6
2)16-2x=3x
-2x-3x=-16
-5x=-16
x=-16:(-5)
x=3,2
3) 1/3x=25
x=25:1/3
x=75