(x-12)/5=(x-3)/8怎么解

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(x-12)/5=(x-3)/8怎么解(x-12)/5=(x-3)/8怎么解(x-12)/5=(x-3)/8怎么解两边乘以40,8x-96=5x-15,3x=81,x=27十字相乘

(x-12)/5=(x-3)/8怎么解
(x-12)/5=(x-3)/8怎么解

(x-12)/5=(x-3)/8怎么解
两边乘以40,8x-96=5x-15,3x=81,x=27

十字相乘