X-0.11X=0.801方程 必须要详细

问题描述:

X-0.11X=0.801
方程 必须要详细

X-0.11X=0.801
0.89X=0.801
X=0.801/0.89
X=0.9

0.89x=0.801 x=0.801/0.89 x=0.9

X-0.11X=0.801
0.89x=0.801
x=0.9

0.89x=0.801
x=0.9

x-0.11x
=x*(1-0.11)
=x*0.89=0.801
所以x=0.801/0.89=0.9

?要解方程?
X-0.11X=0.89X
X=0.801/0.89=0.9