3.5(x-12)=126怎么解

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3.5(x-12)=126怎么解3.5(x-12)=126怎么解3.5(x-12)=126怎么解x-12=126/3.5x=36+12x=48

3.5(x-12)=126怎么解
3.5(x-12)=126怎么解

3.5(x-12)=126怎么解
x-12=126/3.5
x=36+12
x=48