Question

9x-1 sobre 13 -5x-8 sobre 4=x+16

Answer 1

9X-1 / 13 - 5X-8 / 4 = X+16

36X - 4 - 65X - 104 / 52 = X+16

-29X - 108 / 52 = X+16

-29X - 108 = (X+16) 52

-29X - 108 = 52X + 832

-29X - 52X = 832 + 108

-1 (-81X = 940)

81X = -940

X = -940 / 81