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(5x一12)x8=24

(5x-12)8=24 (5x-12)8÷8=24÷8 5x-12=3 5x-12+12=3+12 5x=15 5x÷5=15÷5 x=3

x=24

(5x-12)X8=24 40x-96=24 40x=96+24 40x=120 x=3

我会,等等

解:(5x-12)*8/8=24/8 5x-12=3 5x-12+12=3+12 5x=15 5x/5=15/5 x=3

(5x-12)X8=24 解: 5x-12=24÷8 5x-12=3 5x=15 x=3

40x-96=2 40x=98 x=2.45

解: 1、5x-0.5=2.5 5x=2.5+0.5 x=3÷5 x=0.6 2、1.2(x+3.2)=24 x+3.2=24÷1.2 x=20-3.2 x=16.8

解:5x-12=24÷8 5x=3+12 x=15÷5 x=3

答案如图

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