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5x-12X8=24的方程的解

(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

(5x-12)X8=24 5x-12=24÷8 5x=3+12 x=3

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

答案如图

解:5x-12=24÷8 5x=3+12 x=15÷5 x=3

(5x-12)=3 5x=3+12 5x=15 x=15÷5 x=3

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

X=3

40x-96=24即40x=24+96即 x=130/40即x=3.25

5x—12=3 5x=15 x=3

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