5.5x-x=8.完整些

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5.5x-x=8.完整些5.5x-x=8.完整些5.5x-x=8.完整些5.5x-x=8.1(5.5-1)x=8.14.5x=8.1x=8.1÷4.5x=1.85.5x-x=8.14.5x=8.1x=

5.5x-x=8.完整些
5.5x-x=8.
完整些

5.5x-x=8.完整些
5.5x-x=8.1
(5.5-1)x=8.1
4.5x=8.1
x=8.1÷4.5
x=1.8

5.5x-x=8.1
4.5x=8.1
x=8.1/4.5
x=1.8

4.5x=8.1

x(5.5-1)=8.1
4.5x=8.1
x=1.8

5.5x-x=8.1
5.5x-1x=8.1
(5.5-1)X=8.1
4.5x=8.1
x=8.1/4.5
x=1.8数学很深噢!慢慢来!~\(≧▽≦)/~啦啦啦

5.5x-x=8.1
(5.5-1)x=8.1
4.5x=8.1
x=4.5/8.1
x=1.8