6x-12.6=18怎么解加验算

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6x-12.6=18怎么解加验算6x-12.6=18怎么解加验算6x-12.6=18怎么解加验算6x-12.6=186x=18+12.66x=30.6x=30.6/6x=5.1验算:将X带入左边=6*

6x-12.6=18怎么解加验算
6x-12.6=18怎么解加验算

6x-12.6=18怎么解加验算
6x-12.6=18
6x=18+12.6
6x=30.6
x=30.6/6
x=5.1
验算:
将X带入左边=6*5.1-12.6
=30.6-12.6
=18
=右边