3{2x-1-[3(2x-1)+3]}=5解方程
问题描述:
3{2x-1-[3(2x-1)+3]}=5解方程
答
3{2x-1-[3(2x-1)+3]}=5
2x-1-(6x-3+3)=5/3
2x-1-6x=5/3
6x-2x=-1-5/3
4x=-8/3
x=-2/3