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Jawab :
-8 + 4= 8 + N
-4= 8 + N
-4 - 8= N
N= -8 + 4
N= -4
3.12 - 15= 12+N
Jawab :
-3= 12 + N
-3 - 12= N
N= -3 -12
N= -15
4.-6 +3= -6 - N
Jawab :
-3= -6 - N
-3 + 6= -N
-N= - 3 + 6
-N= 3
N= -3
5.10 + 9=10 - N
Jawab :
1= 10 - N
1 - 10= -N
-N= 1 - 10
-N= -9
N= 9
6.-2 + 4 - -3=
Jawab :
-2 + 4-(-3)
-2 + 4 + 3
2 + 3
5
7.6- (-5) + -4=
Jawab :
6 + 5 - 4
11 - 4
7
8.-7 + 8 - (-4)=
Jawab :
-7 + 8 + 4
1 + 4
5
9.3 - (-5) +9=
Jawab :
3 + 5 + 9
8 + 9
17
10.4-(-6)+9=
Jawab :
4 + 6 + 9
10 + 9
19