worksheet Soal Persamaan Sederhana: 1. x + 10 = 12 2. 12 - x = 2 3. 9 + x = 16 4. x - 9 = 9 5. 15 + x = 10 6. x - 10 = 0 7. x + 7 = 10 8. x - 12 = 6 9. 20 -x = 10 10. 25 + x = 12
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