5（x+1.5）＝17.5 x-0.36x=16 这两个方程怎么解？

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1:5x+7.5=17.5
5x=10
x=2
2:0.64x=16
x=25

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x =2. x =25

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 并唤答绝慧链枣

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 梁喊睁橡岁渗铅

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