October 2018 2 11 Report
Tolong dibantu ya...
Diketahui persamaan2 brkt :
1. 1/5x - 3 = 1
2. x - 5 = 5
3. x - 15 = 5
4. 3x - 45 = 15
Dari persamaan diatas yg merupakan persamaan ekuivalen adalah... (beserta caranya ya, oh iya tanda x itu artinya x ya bukan kali, trus yg tanda 1/5 itu satu per lima)

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