X+8=12 12+X=-4 10-X=-8 -X+2=4 18-(-X)=10
Matematika
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Pertanyaan
X+8=12
12+X=-4
10-X=-8
-X+2=4
18-(-X)=10
12+X=-4
10-X=-8
-X+2=4
18-(-X)=10
1 Jawaban
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1. Jawaban Anonyme
Bab Aljabar
Matematika SMP Kelas VII
1] x + 8 = 12
x = 12 - 8
x = 4
2] 12 + x = -4
x = -4 -12
x = -16
3] 10 - x = -8
x = 10 + 8
x = 18
4] -x + 2 = 4
x = 2 - 4
x = -2
5] 18 - (-x) = 10
18 + x = 10
x = 10 - 18
x = -8