2x-12/-3=7. Can someone plz help

Ineed if you could explain and give me the answer you! this needs done

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2