(1-30%)x=6.3 怎么解如题

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(1-30%)x=6.3怎么解如题(1-30%)x=6.3怎么解如题(1-30%)x=6.3怎么解如题70%x=6.30.7x=6.3x=9(1-30%)x=0.7x0.7x=6.3得x=6.3/0.

(1-30%)x=6.3 怎么解如题
(1-30%)x=6.3 怎么解如题

(1-30%)x=6.3 怎么解如题
70%x=6.3 0.7x=6.3 x=9

(1-30%)x=0.7x 0.7x=6.3得 x=6.3/0.7=9