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2)
3)
4)
2/3 x = 6
2x = 6.3
2x = 18
x = 9
Nomor 2
2/7 x = -42
2x = -42.7
2x = -294
2x = -147
Nomor 3
-2/5 x = 18
-2x = 18.5
-2x = 90
x = -45
Nomor 4
5x = -4/8
5x= -1/2
10x = -1
x = -1/10