(1)三次根号2x+1=三次根号5x+7 (2)三次根号2x-1=-三次根号5x+8

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 04:40:02
(1)三次根号2x+1=三次根号5x+7(2)三次根号2x-1=-三次根号5x+8(1)三次根号2x+1=三次根号5x+7(2)三次根号2x-1=-三次根号5x+8(1)三次根号2x+1=三次根号5x

(1)三次根号2x+1=三次根号5x+7 (2)三次根号2x-1=-三次根号5x+8
(1)三次根号2x+1=三次根号5x+7 (2)三次根号2x-1=-三次根号5x+8

(1)三次根号2x+1=三次根号5x+7 (2)三次根号2x-1=-三次根号5x+8
三次根号2x+1=三次根号5x+7
2x+1=5x+7
5x-2x=1-7
3x=-6
x=-2
三次根号2x-1=-三次根号5x+8
2x-1=-5x-8
5x+2x=1-8
7x=-7
x=-1