решите неравенство 4(x+8)-7(x-1)<12 3(x-2)-5(x+3)>27

Question

решите неравенство

4(x+8)-7(x-1)<12</p>

3(x-2)-5(x+3)>27

Answer 1

 4(x+8)-7(x-1)- 12

4х+32-7х+7-12

-3х-27=0

-3х=-27

х=9

 

3х-6-5х-15-27

-2х-48=0

-2х=48

х=-24

Answer 2

4(x+8)-7(x-1)<12<br>4x+32 - 7x+7<12<br>4x-7x<-32-7+12<br>-3x<-27<br>x< 9


3(x-2) - 5(x+3)>27
3x-6 - 5x -15>27
3x-5x>6+15+27
-2x>48
x>24