-12
|
4
|
|
0
|
||
-4
|
Original
-12
|
8
|
4
|
16
|
0
|
-16
|
- 4
|
-8
|
12
|
Resolvido
Contas:
1) X + 0 – 12 = 0
X= 0 + 12
X= 12
2) X – 12 – 4 = 0
X= 0 + 16
X= 16
3) X + 4 + 12 =0
X= 0 – 16
X= -16
4) X – 4 + 12 =0
X= 0 + 4 – 12
X= -8
5) X – 8 + 0= 0
X= 0 + 8
X= 8
