x-105 ------- = -5 x+3

Question

x-105

------- = -5

x+3

Answer 1

Х - 105 = -5(х + 3)
х - 105 = -5х - 15
х + 5х = 105 - 15
6х = 90
х = 90 : 6 
х = 15
Ответ: х = 15