8.3-0.6x=0.
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8.3-0.6x=0.8.3-0.6x=0.8.3-0.6x=0.8.3-0.6x=0.58.3-0.5=0.6x7.8=0.6x7.8/0.6=xx=13
8.3-0.6x=0.
8.3-0.6x=0.
8.3-0.6x=0.
8.3-0.6x=0.5
8.3-0.5=0.6x
7.8=0.6x
7.8/0.6=x
x=13
8.3-0.6x=0.
1.7X+8.3X=0.
一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
x-0.25x=0.
x+4.5x=0.
X-0.25x=0.
4.8x-x=0.
X-0.25x=0.
2.2x-x=0.
120X-X=0.
x-0.4x=0.
1.2x-x=0.
X-0.48X=0.
(8.9-x)/x=0.6
x--0.6x=4.8
x-0.6x=14
0.6x+140 =X
(10000-x)/x=0.6