how old am l?

来源：百度知道编辑：UC知道时间：2024/05/30 00:01:33

my age today is three times what it will be three years from now minus three times what my age was three years ago.how old am l?

You are 18 years old,right?

我现在18岁
我现在的年龄等于我三年后年龄减去我三年前年龄的三倍
3(x+3)-3(x-3)
x=18

设现在的年龄为未知数X.3X=X+3-(X-3)所以X＝2，我现在是两岁。

you are eighteen.

18
3(x+3)-3(x-3)