1-1/3(6x+9)=3(x+2/3)
问题描述:
1-1/3(6x+9)=3(x+2/3)
答
1-1/3(6x+9)=3(x+2/3)
1-2x-3=3x+2
-2x-3x=2-1+3
-5x=4
x=-0.8