Tentukan Penyelesian setiap pertidaksamaan berikut ini :
a. 1/2 x +3 > 9
b. 2/3 x =2 < 1/2
c. 2/3 x - 1/6 > 3/4
d. 2/3 x - x/2 > 1
e. x/3 + 2 > x/2
f. 4/x - 3 > 5/2x
g. 1/2 (x -1) < 5
h. 1/4 (2x -1 > 1/3 (2x + 1)
i. 1/3 ( x + 2) + 1/2 (x -1) >1
j. 2x+1 < x -1 + 3/2
5 2
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x > -3 : 1/3
x > -9
b. 2/3 x < 1/2 -2
2/3 x < -3/2
x < -3/2 : 2/3
x < -9/4
c. 2/3 x > 3/4 + 1/6
2/3 x > 11/ 12
x > 11/12 : 2/3
x > 22/4
nggak tau betul apa salah