14; |x − 2| = 13

Bài 1: tìm x :
a. x+32/11 + x+23/12 = x+38/13 + x+27/14
b. |x−2|=13
c. 3|x−2|+|4x−8|=|−2|−|1/5 |
d. |3x-2|+ 5^-1 = 3 +| x - 2/3|