八分之2x+1=2-四分之x-1

问题描述:

八分之2x+1=2-四分之x-1


乘以8得
2x+1=16-2(x-1)
2x+1=16-2x+2
2x+2x=18-1
4x=17
x=17/4 (4分之17)

两边乘以8得
2x+1=16-2(x-1)
2x+1=16-2x+2
4x=17
x=17/4