Question

calculeaza a) 3pe x = 12 pe 56

Answer 1

3/x = 12/56

12x = 168

x = 14

Answer 2

$\frac{3}{x} = \frac{12}{56} \\ \\ x = \frac{56 \times 3}{12} \\ \\ x = \frac{168}{12} \\ \\ x = 14$