6.2*x-x等于4.16

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6.2*x-x等于4.166.2*x-x等于4.166.2*x-x等于4.166.2*x-x=4.165.2x=4.16x=4.16/5.2=4/5=0.8

6.2*x-x等于4.16
6.2*x-x等于4.16

6.2*x-x等于4.16
6.2*x-x=4.16
5.2x=4.16
x=4.16/5.2=4/5=0.8