Question

Помогите пожалуйста!

Answer 1

(х-4)/6-(2х+1)/3=3
(х-4-2*(2х+1))/6=3
х-4-4х-2=3*6
-3х-6=18
-3(х+2)=18
х+2=-6
х=-8
(2х-1)/15-(2х+1)/5+(3х-2)/30=1-х
((2х-1)*2-(2х+1)*6+(3х-2))/30=1-х
4х-2-12х-6+3х-2=(1-х)*30
-5х-10=30-30х
-5х+30х=30+10
25х=40
х=40/25
х=1,6