(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程
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![(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程](/uploads/image/z/1637751-39-1.jpg?t=%280.2x-0.1%29%2F0.3+-+2%3D+%28x-1%29%2F0.4+%E8%A7%A3%E6%96%B9%E7%A8%8B)
(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程
(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程
(0.2x-0.1)/0.3 - 2= (x-1)/0.4 解方程
(0.2x-0.1)/0.3 - 2= (x-1)/0.4 左右同乘1.2 4(0.2x-0.1)-2.4=3(x-1) 0.8x-0.4-2.4=3x-3 3x-0.8x=0.2 2.2x=0.2 x=1/11