Question

rezolvați in Z inecuatiile
a) 2(r - 1) <-6
b) 3 (x + 1) < -18
c) 4(x + 2) 2-8;
d) 2(x + 8) < -10

Answer 1

Răspuns:

a) r-1<-3

r<-2

r ap (-inf, 2)

b) x+1<-6

x<-7

x ap (-inf, -7)

c) x+8<-5

x<-13

x ap (-inf, -13)