(3/5 x+40):(x+50)=2:3解方程

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(3/5 x+40):(x+50)=2:3解方程
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(3/5 x+40):(x+50)=2:3解方程
(3/5 x+40):(x+50)=2:3
解方程

(3/5 x+40):(x+50)=2:3解方程
原式可化简为3×(3/5 x+40)＝2×(x+50)且x≠-50,
即0.2x＝20,x＝100 ,满足x≠-50,即解是x＝100.

。。。
求解未知数，原式可化为：（3/5 x+40）*3=（x+50）*2
然后去括号 9/5x+120=2x+100
得到 1/5x=20
最后 x=100

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