1/3 -х =1/6+2х (х-4)(х+12)=0 х+1/3х=4-1/2х (х-12)х=0

Question

1/3 -х =1/6+2х
(х-4)(х+12)=0
х+1/3х=4-1/2х
(х-12)х=0

Answer 1

1/3-х=1/6+2х
-х-2х=1/6-1/3
-3х=-1/6
х=-1/6:(-3х)=1/6:18/6
х=1/18

(х-4)(х+12)=0
х-4=0 либо х+12=0
х=4 х=-12

Comments

(х-12)х=0 х-12=0 (х=12) либо х=0