(5109-x)/x=8.3% 求未知数"x"的值的过程
问题描述:
(5109-x)/x=8.3% 求未知数"x"的值的过程
答
(5109-x)/x=8.3%
5109-x=x*8.3%
5109-x=0.083x
5109=1.083x
x=5109/1.08≈4717.45