hitunglah nilai x dan y pada gambar berikut! beserta caranya...

4/4+x = 6/18
6(4+x) = 4 x 18
24 + 6x = 72
6x = 72-24
6x = 48
x = 48/6
x = 8

y/y+18 = 4/4+x
y/y+18 = 4/4+8
y/y+18 = 4/12
y x 12 = 4(y+18)
12y = 4y+72
12y-4y = 72
8y = 72
y = 72/8
y = 9

Nilai x = 8
Nilai y = 9