Penyelesaian - Linear equations with one unknown
Penjelasan langkah demi langkah
1. Kumpulkan semua sebutan d di sebelah kiri persamaan
Subtract from both sides:
Kumpulkan sebutan sejenis:
Permudahkan aritmetik:
Kumpulkan sebutan sejenis:
Permudahkan aritmetik:
2. Kumpulkan semua pemalar di sebelah kanan persamaan
Subtract from both sides:
Permudahkan aritmetik:
Permudahkan aritmetik:
3. Asingkan d
Divide both sides by -0.5:
Hapuskan tanda negatif:
Permudahkan aritmetik:
Pindahkan tanda negatif dari penyebut ke pembilang:
Permudahkan aritmetik:
Mengapa belajar ini
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Linear equations cannot tell you the future, but they can give you a good idea of what to expect so you can plan ahead. How long will it take you to fill your swimming pool? How much money will you earn during summer break? What are the quantities you need for your favorite recipe to make enough for all your friends?
Linear equations explain some of the relationships between what we know and what we want to know and can help us solve a wide range of problems we might encounter in our everyday lives.