作业帮18.5x+26-46.01=0.4x
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18.5x+26-46.01=0.4x
18.5x+26-46.01=0.4x
18.5x+26-46.01=0.4x
移项
18.5x-0.4x=46.01-26
18.1x=20.01
x=20.01÷18.1
x=2001/1810
将带有未知数的项移到等号左侧，已知数移到等号右侧得：18.1x=20.01，然后x=20.01/18.1=
18.5x+26-46.01=0.4x
（x-25)+(x-23)+(x-27)+(x-21)+(x-26)=x 求x
（X+X)+(X-X)+(X*X)+(X/X)=100
x-0.8x=0.4x=?
(X-5)(X+3)+(X-2)(X+4)=26
X+X+2+X+4-（X+4）=26
30(x+5)=26x+10x(x+5)
X-0.4X=36
X+0.4X=21
X-0.4X=0.54
x-0.4x=0.
0.4X=X-50
X-0.4x=0.39
x+30%x=26
2.4x-26=x
x*x*x*x*x=80000?
0.2x+0.4x=12 x=?20x+x=420 x=?
(2x+18.5*2+1)*(2x+26)=1260 x=?(2x+18.5*2+1)*(2x+26)=1260x=？