3×括号x+2=括号x+1×4

827943552022-10-04 11:39:541条回答

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Q7066062 共回答了16个问题 | 采纳率100%
3(x+2)=4(x+1)
3x+6=4x+4
4x-3x=6-4
x=2
1年前

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