12x+3/4x=5/8 解方程1/5*2/3/x=4/5

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12x+3/4x=5/8 解方程1/5*2/3/x=4/5
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12x+3/4x=5/8 解方程1/5*2/3/x=4/5
12x+3/4x=5/8 解方程
1/5*2/3/x=4/5

12x+3/4x=5/8 解方程1/5*2/3/x=4/5
12x+3/4x=5/8
(12+3/4)x=5/8
(51/4)x=5/8
x=5/8÷51/4
x=5/102

12X+3/4X=5/8
102/8X=5/8
X=5/102

x=5/102
x=6

12x+3/4x=5/8
51/4x=5/8
x=5/8除以51/4
x=5/102
1/5*2/3x=4/5
2/3x=4/5除以1/5
2/3x=4
x=4除以2/3
x=6