x/4=5/2
x×2=4×5
2x=20
x=20÷2
x=10
Răspuns:
[tex] \frac{x}{4} = \frac{5}{2} \\ \frac{2x}{ 4} = 5 \\ 2x = 5 \times 4 \\ 2x = 20 \\ x = 10[/tex]