tolong dong mau di kumpulin sekarang

10 / 10+x = 8/12
10 . 12 = (10+x) . 8
120 = 80 + 8x
40 = 8x
x = 5

y / y+6 = 8/12
12 y = (y+6) . 8
12y = 8y + 48
4y = 48
y = 12

cmiiw :v