若方程3/5+3(x-1/2013)=4/5,则代数式7+30(x-1/2013)的值是

发布时间:2021-02-18 11:03:34

若方程3/5+3(x-1/2013)=4/5,则代数式7+30(x-1/2013)的值是

网友回答

3/5+3(x-1/2013)=4/5
3(x-1/2013)=4/5-3/5
3(x-1/2013)=1/5
30(x-1/2013)=(1/5)*10=2
7+30(x-1/2013)
=7+2=9不懂的欢迎追问,
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