18/x-4 = 6/11
<=> 6x - 24 = 18 . 11
<=> 6x - 24 = 198
<=> 6x = 198 + 24
<=> 6x = 222
<=> x = 222 : 6
<=> x = 37
Vậy x = 37
\(\dfrac{18}{x}-4=\dfrac{6}{11}\)
⇒\(\dfrac{18}{x}=\dfrac{6}{11}+4\)
⇒\(\dfrac{18}{x}=\dfrac{50}{11}\)
⇒18 . 11 = 50x
⇒ 198 = 50x
⇒ x = 198 : 50 = 3,96
mik làm có đúng ko bn