Question

решите неравенство 16x+4(2-x)>20

Answer 1

16x+8-4x>20

16x-12-4x>0

12x-12>0

x>1

 

 

 

 

 

 

 

Answer 2

 16x+4(2-x)>20

16x+8 -4x>20

12x>12

x>1

x∈(1;∞)