Question

86-x>86-4

x+28<28+3

Answer 1

a: 86-x>86-4

=>-x>-4

hay x<4

b: x+28<28+3

=>x+28<31

hay x<3

Answer 2

x=0,1,2,3

x=0,1,2

Answer 3

a,86-x>86-4

86-x > 82

-x > 82 -86

-x> -4

x< 4

b,x+28<28+3

x+ 28 < 31

=> x < 31 - 28 

x < 3

Answer 4

Answer 5

a -x > 86 - 4 -86

-x > -4

x < 4

b x < 28 + 3 -28

x < 3