tolong jwb nomor 34 dong

[tex] \frac{4}{6} = \frac{4+12}{6+x} \\ \frac{4}{6} = \frac{16}{6+x} \\ 4(6+x) = 6(16) \\ 24 + 4x = 96 \\ 4x = 96 - 24 \\ 4x = 72 \\ x = \frac{72}{4} \\ x = 18 [/tex]