Question

Tìm x biết

- ( x + 84 ) + 213 = - 16

Answer 1

Ta có - ( x + 84 ) = - 16 - 213 

suy ra - ( x + 84 ) = - 229

suy ra - x - 84 = - 229

suy ra - x = - 229 + 84

suy ra - x = - 145

suy ra x = 145

Vậy x = 145

Answer 2

 -x - 84 + 213 = - 16

-x = -16 + 84 - 213

-x  = - 113

x = - 113 : -1

x = 113

 

 

Answer 3

xin loi tra loi sai roi x =145 moi dung