Hitunglah nilai x & y pada perbandingan berikut ini! a. x/4 = 5/12 b. x/9 = 12/8 c. 15/y+4 = 20/16 d. y-3/6 = 21/14

a. x/4 = 5/12
12x = 48
x= 48/12
×= 4

b. x/9 = 12/8
8x =108
x = 108/8
×= 13,5

c. 15/y+4 =20/16
20y+80 = 260
20y =260-80
20y =180
y=180/20 = 9

d. y-3/6 =21/14
y-3/6 = 3/2
2y-6 =18
2y=18+6
2y=24
y=24/2 =12

a)
x/4 = 5/12
x × 12 = 5 × 4
12x = 20
x = 20/12
x = 1 8/12
x = 1 2/3

b)
x/9 = 12/8
x × 8 = 12 × 9
8x = 108
x = 108/8
x = 13 4/8
x = 13 1/2

c)
15/(y+4) = 20/16
15 × 16 = 20 × (y+4)
240 = 20y + 80
20y = 240 - 80
20y = 160
y = 160/20
y = 8

d)
(y-3)/6 = 21/14
(y-3) × 14 = 21 × 6
14y - 42 = 126
14y = 126 + 42
14y = 168
y = 168/14
y = 12