2/7 (3X-7)=2-1.5x

来源：学生作业帮助网编辑：六六作业网时间：2024/12/26 00:52:17

2/7(3X-7)=2-1.5x2/7(3X-7)=2-1.5x2/7(3X-7)=2-1.5x2/7(3X-7)=2-1.5x两边同乘以72（3x-7)=7(2-1.5x)6x-14=14-10.5

2/7 (3X-7)=2-1.5x
2/7 (3X-7)=2-1.5x

2/7 (3X-7)=2-1.5x
2/7 (3X-7)=2-1.5x 两边同乘以7 2（3x-7)=7(2-1.5x) 6x-14=14-10.5x
16.5x=28 x=59/31