2(x+3)-3(4x-1)=9(1-x)
问题描述:
2(x+3)-3(4x-1)=9(1-x)
答
2(x+3)-3(4x-1)=9(1-x)
2x+6-12x+3=9-9x
2x-12x+9x=9-6-3
-x=0
x=0
答
2x+6-12x+3=9-9x
12x-2x-9x=6+3-9
x=0