Question

 

tìm x

|-1,3x + 1/2| = |-5/6 + 0,2x|

help me please!!!

ai nhanh tặng cho 3 tk

Answer 1

|-1,3.x+1/2| = |-5/6+0,2.x|

TH1: -1,3.x+1/2 = -5/6+0,2.x

=> -1,3.x - 0,2.x = -5/6 - 1/2 

-1,5.x = -4/3

x = -8/9

TH2: -1,3.x+1/2 = 5/6-0,2.x

=> -1,3.x + 0,2.x = 5/6-1/2

-1,1.x = 1/3

x =  -10/33

KL:...