(1+2/5)x=26解方程

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(1+2/5)x=26解方程(1+2/5)x=26解方程(1+2/5)x=26解方程(1+2/5)x=26x=26÷7/5x=130/7(1+2/5)x=26x=26÷1.4x=130/7(1+2/5

(1+2/5)x=26解方程
(1+2/5)x=26解方程

(1+2/5)x=26解方程
(1+2/5)x=26
x=26÷7/5
x=130/7

(1+2/5)x=26
x=26÷1.4
x=130/7

(1+2/5)x=26
7/5x=26
x=130/7

设y=(x+3)/(x -1) 则原方程可化为y+1/y=26/5 5y -26y+5=0 (5y-1)(y-5)=0 y1=1/5 y2=5