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(X+5.8)3=7.5

(x+5.8)÷3=7.5 x+5.8=22.5 x=22.5-5.8 x=16.7

(X+5.8)3=7.5 X+5.8=2.5 x=2.5-5.8 x=-3.3

x=5.8-3.7 x=2.1

5.8X5.8+5.8X3.2+5.8 =5.8X(5.8+3.2+1) =5.8X10 =58

2(X-3)=5.8 解:2(X-3)÷2=5.8÷2 X-3=2.9 X-3+3=2.9+3 X=5.9

2x+6=5.8 2x=5.8-6 2x=-0.2 x=-0.1

(X-3)=5.8÷2, X-3=2.9, X=5.9, 检验: 当X=5.9时, 方程左边=2×(5.9-3)2×2.9=5.8=右边, 所以X=5.9是原方程的解。

x-3=4.6+5.8 解:x-3=10.4 x=10.4+3 x=13.4 行家正解,不明白可以追问!祝您学习进步 满意请点击下面的【选为满意回答】按钮,O(∩_∩)O谢谢

5.8x2.4+5.8x7.5+0.58 =5.8x2.4+5.8x7.5+5.8x0.1 =5.8x(2.4+7.5+0.1) =5.8x10 =58 希望能帮到你!

解: 5.8x+3.2x = 328 (5.8+3.2)x=328 9x = 328 x = 328÷9 x = 36.444……

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