Question

решите неравенство (х+1)+2(х+1)+3(х-1)<4х+3(х-2)

Answer 1

(х+1)+2(х+1)+3(х-1)меньше4х+3(х-2)
х+1+2х+2+3х-4 4х+3х-6
6х-3 7 х-6
-х -3
х меньше 3

Answer 2

все просто
(x+1)+2(x+1)+3(x-1)<4x+3(x-2)
6x<7x-6
-x<-6
x>1