Question

Tìm x \(\in\) Z :

-(83 - 115 ) - x = 90

Answer 1

-(83 - 115) - x = 90

-83 + 115 - x = 90

(-83 + 115) - x = 90

32 - x = 90

x = 32 - 90

x = -58

Vậy x = -58

Answer 2

-(83-115)-x=90
-(-32) -x=90
32 -x=90
x= 32-90
x=-58
Vậy x=-58