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25 January, 21:57

How to solve step by step 4a - 5 = 10 - a

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  1. 25 January, 23:21
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    Add A to both sides so 10 is alone and than add 5 to both side and you'll get 9a = 15 than divide
  2. 25 January, 23:36
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    Answer: 4a - 5 = 10 - a

    Answer: 4a - 5 = 10 - a 4a + a = 10 + 5 (chuyển vế đổi dấu, số 1 vế biến 1 vế)

    Answer: 4a - 5 = 10 - a 4a + a = 10 + 5 (chuyển vế đổi dấu, số 1 vế biến 1 vế) 5a = 15 (a đi 1 mình nghĩa là 1a)

    Answer: 4a - 5 = 10 - a 4a + a = 10 + 5 (chuyển vế đổi dấu, số 1 vế biến 1 vế) 5a = 15 (a đi 1 mình nghĩa là 1a) a = 3 (lấy 15 : 3 = 5)
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