x-2/7x-(2/7x-12)=48怎么算
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x-2/7x-(2/7x-12)=48怎么算x-2/7x-(2/7x-12)=48怎么算x-2/7x-(2/7x-12)=48怎么算x-2/7x-(2/7x-12)=48x-2/7x-2/7x+12=
x-2/7x-(2/7x-12)=48怎么算
x-2/7x-(2/7x-12)=48怎么算
x-2/7x-(2/7x-12)=48怎么算
x-2/7x-(2/7x-12)=48
x-2/7x-2/7x+12=48
x-4/7x=48-12
3/7x=36
3x=36*7
3x=252
x=84
x-2/7x-(2/7x-12)=48
x-2/7x-2/7x+12=48
x-4/7x=48-12
3/7x=36
3x=36*7
x=84
x-2/7x-(2/7x-12)=48
x-4/7x=36
3/7x=36
x=84
X-2/7X-2/7X+12=48
3/7X=36
X=84