Maths

2007-05-17 3:24 am
2A=A+55
give me the step and answer

回答 (3)

2007-05-17 3:29 am
✔ 最佳答案
2A=a+55
2a-a=a-a+55
a+55

2007-05-16 19:29:48 補充:
2A=a 552a-a=a-a 55a=55
參考: me
2007-05-17 3:29 am
2A=A+55
2A-A=A+55-A
A=55
2007-05-17 3:28 am
2A=A+55
A=55


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