Question

решите неравенство 3-2 ( и-1)>8+и

Answer 1

1)

3-2(u-1)>8+u

3-2u+2>8+u

3+2-8>u+2u

-3>3u

-1>u

u<-1

2)

5(u+2)+14<6-u

5u+10+14<6-u

5u+u<6-10-14

6u<-18

u<-3