How to solve step by step 4a - 5 = 10 -a
2 answers:
Add A to both sides so 10 is alone and than add 5 to both side and you’ll get 9a = 15 than divide
Answer:
Answer: <em>4a - 5 = 10 - a </em>
Answer: <em>4a - 5 = 10 - a <=> 4a + a = 10 + 5 ( chuyển vế đổi dấu, số 1 vế biến 1 vế) </em>
Answer: <em>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) </em>
Answer: <em>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 )</em>
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