2分之5x+3=2x-1怎么解方程?(5x+3)/2 =2x-1

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2分之5x+3=2x-1怎么解方程?(5x+3)/2 =2x-1

2分之5x+3=2x-1怎么解方程?(5x+3)/2 =2x-1
2分之5x+3=2x-1怎么解方程?
(5x+3)/2 =2x-1

2分之5x+3=2x-1怎么解方程?(5x+3)/2 =2x-1
(5x+3)/2 =2x-1
5x+3=2(2x-1)
5x+3=4x-2
5x-4x=-2-3
x=-5

5x+3=4x-2
x=-5
改好更简单了。。

2分之5x+3=2x-1
2分之5x-2x=-1-3
x/2=-4
x=-8


(5x+3)/2 =2x-1
5x+3=4x-2
5x-4x=-2-3
x=-5

2分之5x+3=2x-1
2分之5x-2x=-1-3
1/2x=-4
x=-8
(5x+3)/2 =2x-1
5x+3=4x-2
x=-5

(5x+3)/2 =2x-1
5x+3=4x-2 两边都乘以2
5x-4x=-2-3
x=-5

两边乘2
5X+6=4x-2
x=-8

5x/2+3=2x-1
0.5x=-4
x=-8

左右都乘二 算出X=-5

(5x+3)/2 =2x-1

两边乘以2得5x+3=2*(2x-1)
5x+3=4x-2
移项得5x-4x=-2-3
合并同类项得x=-5