Question

a)38×(X + 10)<45
b)3×(X + 6) <6
c)-8×(X - 11)>16

Answer 1

Răspuns:

Explicație pas cu pas:

a)38×(X + 10)<45

X + 10 < 45/38

x < 45/38 - 10

x < (45 - 380)/10

x < 335/10

______

3×(X + 6) <6

X + 6 < 2

X < -4

_________

-8×(X - 11)>16

-8X + 88 > 16

72 > 8X

X < 72: 8

X < 9

Answer 2

Răspuns:

38(x+10)<45

38x+380<45

38x<45-380

38x<-335

x<-335:38

x<-8,81

3(x+6)<6

3x+18<6

3x<6-18

x<-12:3

x<-4

-8(x-11)>16

-8x+88>16

-8x>16-88

-8x>-72 I(-1)

x>72:8

x>9