①7x=6x﹢4②2x+3=11‐6x③3.4x‐9.8=1.4x﹢9④4x‐3﹢3x=6x‐2
问题描述:
①7x=6x﹢4②2x+3=11‐6x③3.4x‐9.8=1.4x﹢9④4x‐3﹢3x=6x‐2
答
7x-6x=4
x=4
2x+6x=11-3
8x=8
x=1
3.4x-1.4=9-9.8
2x=-0.8
x=-0.4
4x+3x-6x=3-2
x=3-2
x=1