Question

DAU COROANA!!!!
a) - 4X+7>-5
b)3-11X>2X-20
c)13-3 x (1-2X)<-8
d)-X-4 x (2-3X)<-30​

Answer 1

Răspuns:

a)-4x > -12 =>x < 3

b)-11x-2x > -3-23 =>x < 2

c)6x < -10-8 =>x < -3

d)-x+12x < -30+8 =>x < -2

Answer 2

Răspuns:

a) - 4X+7>-5

-4x>-5-7

-4x>-12

x<3

b)3-11X>2X-20

-11x-2x>-3-23

x<2

c)13-3 x (1-2X)<-8

6x<-10-8

x<-3

d)-X-4 x (2-3X)<-30

-x+12x<-30+8

x<-2

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