Tolong dibantu dong.. no 16,17, 19

16) 1/2(x+2/3) = 3-1/2x
1/2x+2/6 = 3-1/2x
1/2x+1/2x = 3/1-2/6
x = 18/6-2/6
x=16/6
x=8/3

17) 3/4x =-3/8
      24x = -12
      x = -12/24
x = -1/2


19) [tex] \frac{2y+4}{4} - \frac{4y-1}{3} = 1 \frac{6y+12-16y+4}{12} = 1 6y-16y+12+4 = 12 -10y +8 =12 -10y=12-8 -10y=4 y=4/-10 y=2/-5