80/x=2.5×80/(x+2.5)如何解

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80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)如何解80/x=2.5×80/(x+2.5)1/x=2.5/(x+2.5)

80/x=2.5×80/(x+2.5)如何解
80/x=2.5×80/(x+2.5)如何解

80/x=2.5×80/(x+2.5)如何解
80/x=2.5×80/(x+2.5)
1/x=2.5/(x+2.5)
2.5x=x+2.5
1.5x=2.5
x=5/3