Question

Решите систему неравенств:

Answer 1

1)7x+10<6x-5⇒7x-6x<-5-10⇒x<-15
9x+2>10x+7⇒10x-9x<2-7⇒x<-5
x∈(-∞;-15)
2)10-6x≤8x+3⇒8x+6x≥10-3⇒14x≥7⇒x≥0,5
5x-12<4x-11⇒5x-4x<12-11⇒x<1
x∈[0,5;1)

Answer 2

7x-6x<-5-10
9x-10x>7-2
x<-15
x<-9

-6x-8x≤3-10
5x-4x<-11+12
-14x≤7
x<1
x≥0.5
x<1