yesterday cindy had a octopus card. today she add $50 to her card and now she has $(8x+26).
what was the value in her octopus card yesterday?
mathematics
2010-11-11 4:05 am
回答 (1)
2010-11-11 4:18 am
✔ 最佳答案
the value in her octopus card yesterday= $(8x+26)-$50
= $(8x+26-50)
= $(8x-24)
參考: girl
收錄日期: 2021-04-23 23:13:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101110000051KK01067