Помогите!!!!!!!!!!!!!!

Question

Помогите!!!!!!!!!!!!!!

---

Answer 1

Х((9+7)/9-(3*18+5)/18+1)=-2 Х(16/9-59/18+1)=-2 Х((16*2-59+18)/18)=-2 Х(-9/18)=-2 х(1/2)=2 х=4