-2 (3x+1) + x <-3(x+4)

Question

-2 (3x+1) + x <-3(x+4)

Answer 1

-6х-2+х<-3x-15<br>-5x-2<-3x-15<br>-2+15<-3x+5x<br>13<2х<br>6,5x>6,5
x∈(6,5; +∞)

Comments

стоп, стоп.

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-6х-2+х<-3x-12<br>-5x-2<-3x-12<br>-2+12<-3x+5x<br>10<2х<br>5x>5
x∈(5; +∞)

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спасибо

Answer 2

-2 (3х+1)+х <-3 (х+4)<br>-5х-2 <-3х-12<br>-2х <-10<br>х> 5
х (5;+бесконечность)