\(\rightarrow\dfrac{2}{2x-6}=\dfrac{1}{5}:\dfrac{24}{20}\\ \dfrac{2}{2x-6}=\dfrac{1}{6}\\ \rightarrow2x-6=\dfrac{2.6}{1}=12\\ \rightarrow2x=12+6=18\\ \rightarrow x=18:2\\ x=9\)
a,1/5 : 2/2x - 6 = 24/20
2/2x - 6 = 1/5 : 6/5
2/2x - 6 = 1/6
2x - 6 = 2 : 1/6
2x - 6 = 12
2x = 12 + 6
2x = 18
x = 18 : 2
x = 9
Vậy x = 9