8x-5x=0.39怎么解

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8x-5x=0.39怎么解8x-5x=0.39怎么解8x-5x=0.39怎么解3x=0.39x=0.39/3x=0.13(8-5)x=0.393x=0.39x=0.13

8x-5x=0.39怎么解
8x-5x=0.39怎么解

8x-5x=0.39怎么解
3x=0.39
x=0.39/3
x=0.13

(8-5)x=0.39
3x=0.39
x=0.13