已知方程1/4+5(x-1/2003)=1/2,求代数式3+20(x-1/2003)的值

问题描述:

已知方程1/4+5(x-1/2003)=1/2,求代数式3+20(x-1/2003)的值

5(x-1/2003)=1/2-1/4=1/4
(x-1/2003)=1/20
3+20(x-1/2003)=3+20*1/20=4