-6x+3=2x+11 x=3/2x+14 3/4x-6=3/2x+3 20-3x=7x+4 5/9x+2=1/3x+4 移项!
问题描述:
-6x+3=2x+11 x=3/2x+14 3/4x-6=3/2x+3 20-3x=7x+4 5/9x+2=1/3x+4 移项!
答
-6x-2x=11-3 -8x=8 x=-1
x-3/2x=14 -1/2x=14 x=-28
3/4x-3/2x=3 -3/4-x=3 x=-4
20-4=7x+3x 16=10x x=8/5
5/9x-1/3x=4-2 2/9x=2 x=9
答
含有X的移在等号一边,数字移在等号另一边,你试试很简单的.