2分之5x+3=2x-1怎么解方程?
问题描述:
2分之5x+3=2x-1怎么解方程?
(5x+3)/2 =2x-1
答
(5x+3)/2 =2x-1
5x+3=2(2x-1)
5x+3=4x-2
5x-4x=-2-3
x=-5