两边乘以6
1-1/3(x-(1+x/3)=1/2x-1/2(2x-(10-7x/3)
6-2(x-(1+x/3)=3x-3(2x-(10-7x/3)
6-2x+2(1+x/3)=3x-6x+3(10-7x/3)
6-2x+2+2x/3=-3x+30-7x
8-4x/3=30-10x
两边乘以3
24-4x=90-30x
26x=66
x=33/13
以上回答你满意么?
两边乘以6
1-1/3(x-(1+x/3)=1/2x-1/2(2x-(10-7x/3)
6-2(x-(1+x/3)=3x-3(2x-(10-7x/3)
6-2x+2(1+x/3)=3x-6x+3(10-7x/3)
6-2x+2+2x/3=-3x+30-7x
8-4x/3=30-10x
两边乘以3
24-4x=90-30x
26x=66
x=33/13
以上回答你满意么?