解方程:3000/(x+12)=(2400)/x

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解方程:3000/(x+12)=(2400)/x解方程:3000/(x+12)=(2400)/x解方程:3000/(x+12)=(2400)/x3000/(x+12)=2400/x3000x=2400

解方程:3000/(x+12)=(2400)/x
解方程:3000/(x+12)=(2400)/x

解方程:3000/(x+12)=(2400)/x
3000/(x+12)=2400/x
3000x=2400(x+12)
3000x=2400x+28800
600x=28800
x=48
经检验x=48是原方程的解

3000/(x+12)=(2400)/x
3000x=2400(x+12)
600x=2400X12
x=48