1.2 x + 4.8 = 3.6 x - 50.4
两边乘以 10 得：
12 x + 48 = 36 x - 504
24 x = 48 + 504
24 x = 552
x = 23
1.2x＋4.8＝3.6x－50.4
3个回答
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