Question

42x =39.42-37.42

Answer 1

42x=42x(39-37)

42x=42x2

42x=84

x=84:42=2

k nha

Answer 2

42x = 39 . 42 - 37 . 42

42x = 42 ( 39 - 37 )

42x = 42 . 2

42x = 84

=> x = 2

Answer 3

42x=39.42-37.42 

42x=42.(39-37)

42x=42.2

=>x=2