方程式
after subtracting 8 from a number,the difference multiplied by 9 is 108.find the number.
人气：285 ℃ 时间：2020-03-20 14:37:37
解答
Surpouse original number is：x；
Subtracting 8：x-8；
Tthe difference multiplied by 9 is 108：(x-8)*9=108；
therefore：x=(108/9)+8=20；
The number is：20；
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