[3-x/4] + [2x-5/6]=1解方程
人气：440 ℃ 时间：2020-03-18 21:51:16
解答
两边同时乘以12得：
3(3 - x) + 2(2x - 5) = 12
9 - 3x + 4x - 10 = 12
x - 1 = 12
x = 12 + 1
x = 13
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