8(x-4)=7.2怎么算?

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8(x-4)=7.2怎么算?8(x-4)=7.2怎么算?8(x-4)=7.2怎么算?8X-32=7.28x=35.2x=4.9x=4.9

8(x-4)=7.2怎么算?
8(x-4)=7.2怎么算?

8(x-4)=7.2怎么算?
8X-32=7.2
8x=35.2
x=4.9

x=4.9