Question

34 + (9 -21) = 3417 - ( x +3417)

 

Answer 1

34 + ( 9 - 21 ) = 3417 - ( x + 3417 )

34 + ( -12 ) = 3417 - x - 3417

46 = x

=> x = 46

Answer 2

34 + ( 9 - 21 ) = 3417 - ( x + 3417 )

34 + ( -12 ) = 3417 - x - 3417

46 = x

=> x = 46

Answer 3

x=36 nha bạn

Answer 4

       34 + (9 - 21) =3417 -(X +3417)
<=> 34 +(-12)      =3417-x-3417
<=>x                   =22
vậy x=22