Răspuns :
[tex](12 + 4) + 14 = 4 \times x \\ 16 + 14 = 4x \\ 30 = 4 \times \\ = > x = \frac{30}{4} \\ = > x = \frac{15}{2} [/tex]
[tex](12 + 4) + 14 = 4 \times x \\ 16 + 14 = 4x \\ 30 = 4 \times \\ = > x = \frac{30}{4} \\ = > x = \frac{15}{2} [/tex]