4/5-2(x+1/2007)=2/5,则代数式10-20(x+1/2007)的值是?

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4/5-2(x+1/2007)=2/5,则代数式10-20(x+1/2007)的值是?
4/5-2(x+1/2007)=2/5,则代数式10-20(x+1/2007)的值是?

4/5-2(x+1/2007)=2/5,则代数式10-20(x+1/2007)的值是?
4/5-2(x+1/2007)=2/5
2(x+1/2007)=2/5
x+1/2007=1/5
10-20(x+1/2007)
=10-20*1/5
=10-4
=6

4/5-2(x+1/2007)=2/5
2(x+1/2007)=2/5
x+1/2007=1/5
10-20(x+1/2007)
=10-20*1/5
=10-4
=6