Răspuns :
[tex] \frac{4}{5} \times x = \frac{3}{4} \times 56 \\ \frac{4x}{5} = 3 \times 14 \\ \frac{4x}{5} = 42 \\ 4x = 5 \times 42 \\ x = \frac{5 \times 42}{4} \\ x = \frac{5 \times 21}{2} \\ x = \frac{105}{2} [/tex]
[tex] \frac{4}{5} \times x = \frac{3}{4} \times 56 \\ \frac{4x}{5} = 3 \times 14 \\ \frac{4x}{5} = 42 \\ 4x = 5 \times 42 \\ x = \frac{5 \times 42}{4} \\ x = \frac{5 \times 21}{2} \\ x = \frac{105}{2} [/tex]