(4x+3)/2x=20怎么做

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(4x+3)/2x=20怎么做

(4x+3)/2x=20怎么做
(4x+3)/2x=20怎么做

(4x+3)/2x=20怎么做
两边乘2x
4x+3=40x
36x=3
x=1/12
分式方程要检验
经检验,x=1/12是方程的解

(4x+3)/2x=20
4x+3=40x
36x=3
x=1/12

4x+3=40x
36x=3
x=1/12

(4x+3)/2x = 20
【(4x+3)/2x】×2x = 20×2x
4x+3 = 40x
4x+3—4x = 40x—4x
36x = 3
36x÷36 = 3÷36
x = 1/12