(34-x)/(58-x)=40%
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(34-x)/(58-x)=40%(34-x)/(58-x)=40%(34-x)/(58-x)=40%(34-x)/(58-x)=40%(34-x)/(58-x)=2/52（58-x)=5(34-x)
(34-x)/(58-x)=40%
(34-x)/(58-x)=40%
(34-x)/(58-x)=40%
(34-x)/(58-x)=40%
(34-x)/(58-x)=2/5
2（58-x)=5(34-x)
116-2x=170-5x
3x=54
x=18
(34-x)/(58-x)=40%
(34-x)/(58-x)=2/5
5(34-x)=2(58-x)
170-5x=116-2x
5x-2x=170-116
3x=54
x=18
(34-x)/(58-x)=40%
34-x=0.4(58-x)
34-x=23.2-0.4x
x-0.4x=34-23.2
0.6x =10.8
x=10.8/0.6
x=18
(34-x)/(58-x)=40%
X×X+(40-X)=58
x-40%x=
解方程：x-60%x=240 x+20%x=24 1-25%x=十六分之三 160%x-x=9 58%x-23%x=24 40%x+70%x-x=1.8
3x＋34-x=40
（X+X)+(X-X)+(X*X)+(X/X)=100
x-40%x-40%x=15
x+40=2x x=?
X乘以X等于40 ---------------------X=?
10x+x*x=40
(x+40%x)×85%-x=95
(x+40%x)×85%-x=95
4x+x=40x
40%x+70%x-x=1.8
方程40x+（x-10）-58=10x+（x-10）怎么解?
40(X-1)+(X-2)=10(X-1)+X+58
x+24+x=34
(24+x)+x=34