Tentukan penyelesaian dari persamaan berikut!!!

x – 1/3 = 1/4

x = 1/4 + 1/3

x = 3/12 + 4/12

x = 7/12

1/2y = -2/4

y = -2/4 : 1/2

y = -2/4 x 2/1

y = -4/4

y = -1

4(x – 3) = 2(x + 6)

4x – 12 = 2x + 12

4x – 2x = 12 + 12

2x = 24

x = 24/2

x = 12

x/9 = -5/3

x = -5/3 x 9

x = -5/1 x 3/1

x = -15/1

x = -15