(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

(5109-x)/x=8.3%
5019-x=0.083x
x+0.083x=5019
1.083x=5019
x=4634.349
代入原方程验证x=4634.349是原方程的解。

(5109-x)/x=8.3%
5109-x=8.3% X
1.083X=5109
X≈4717

(5109-x)/x=8.3%
5109-x=x*8.3%
5109-x=0.083x
5109=1.083x
x=5109/1.08≈4717.45