4x-16/3+(3x+1)=9怎么算
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4x-16/3+(3x+1)=9怎么算
![4x-16/3+(3x+1)=9怎么算](/uploads/image/z/7939574-62-4.jpg?t=4x-16%2F3%2B%283x%2B1%29%3D9%E6%80%8E%E4%B9%88%E7%AE%97)
两边同乘3
(4x-16)+3(3x+1)=9×3
4x-16+9x+3=27
13x=27+16-3=40
x=40÷13
x=40/13
(4x-16)+3(3x+1)=9×3
4x-16+9x+3=27
13x=27+16-3=40
x=40÷13
x=40/13
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