Question

решите систему неравенств:{х+5<6,4-x<7

Answer 1

x<6-5

x>4-7

 

x<1

x>-3

Answer 2

  х+5<6

x<6-5

x<1

 

4-x<7

-x<7-4(*(-1))

x>-3

 

x<1

x>-3