作业帮x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6 不要看错啊，我知道答案是39
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![x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6 不要看错啊，我知道答案是39](/uploads/image/z/144702-54-2.jpg?t=x-%282x%2F3-2%29-%7B0.4%5Bx-%282x%2F3-2%29%5D+3%7D%3D6+%E8%A7%A3%E6%96%B9%E7%A8%8B%2Cx-%282x%2F3-2%29-%7B0.4%5Bx-%282x%2F3-2%29%5D%2B3%7D%3D6+%E4%B8%8D%E8%A6%81%E7%9C%8B%E9%94%99%E5%95%8A%EF%BC%8C%E6%88%91%E7%9F%A5%E9%81%93%E7%AD%94%E6%A1%88%E6%98%AF39)
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x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6 不要看错啊，我知道答案是39
x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,
x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6 不要看错啊，我知道答案是39
x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6 解方程,x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6 不要看错啊，我知道答案是39
x-(2x/3-2)-{0.4[x-(2x/3-2)]+3}=6
(x-2x/3+2)-0.4(x-2x/3-2)-3=6
(1-0.4)(x-2x/3-2)=6+3
0.6(x/3-2)=9
x/3-2=9÷0.6=15
x/3=15+2=17
x/3=17÷1/3
x=51
解由x-(2x/3-2)-{0.4[x-(2x/3-2)] 3}=6
得x-(2x/3-2)-{0.4（x-2x/3+2) 3}=6
即x-(2x/3-2)-{0.4（x/3+2) 3}=6
即x-(2x/3-2)-{2/5（x+6) }=6
即x-2x/3+2-2x/5-12/5 =6
即x/3-2x/5-12/5 =4
即5x/15-6x/15=4+12/5
即-x/15=20/5+12/5
即-x/15=32/5
两边乘以-15
即x=32×（-3）
即x=-96
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