Question

8) Aflati x numar natural, astfel incat 3/2x-1=7/21​

Answer 1

$\frac{3}{2x - 1} = \frac{7}{21}$

(2x-1)×7=3×21

14x-7=63 /+7

14x=70 /÷14

$\color{purple}\huge\boxed{\boxed{x=5}}$