- (x + 48) + 213 = -16
- (x + 48) = -16 - 213
- (x + 48) = -229
=> x + 48 = 229
=> x = 229 - 48
=> x = 181
-(x+48)+213=-16
-x-48=-16-213
-x-48=-229
-x=-229+48
-x=-181
x=181
Nhớ tk phát nhé.
-(x+48)+213=-16
-(x+48) =-16+(-213)
-x-48 =-229
-48+229 =x
\(\Rightarrow\)x =181