X/2 4/5 + x/5 + (3x)/10 = 1/5

请输入您的数学问题…… x/2 - 4/5 + x/5 + (3x)/10 = 1/5

问题

x /2 - 4/5 + x /5 + (3 x) /10 = 1/5

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