Hitunglah nilai x dari perbandinggan berikut(x-5):40=6:4

x-5 = 40x6:4
x-5 = 60
x= 65

[tex] \frac{(x - 5)}{40} = \frac{6}{4} \\ dikalikan \: silang \\ 4(x - 5) = 240 \\ 4x - 20 = 240 \\ 4x = 240 + 20 \\ 4x = 260 \\ x = \frac{260}{4} \\ x = 65[/tex]
semoga membantu.....