6分之X=4分之3000-X?

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6分之X=4分之3000-X?6分之X=4分之3000-X?6分之X=4分之3000-X?x/6=(3000-x)/4所以:4x=6(3000-x)4x=18000-6x10x=18000x=1800

6分之X=4分之3000-X?
6分之X=4分之3000-X?

6分之X=4分之3000-X?
x/6=(3000-x)/4
所以:4x=6(3000-x)
4x=18000-6x
10x=18000
x=1800

6分之X=4分之3000-X
x/6=3000/4-x
x/6=750-x
7x=4500
x=4500/7

6/X=4/3000-X
最简公分母为X(3000-X)
等式两边同乘最简公分母,得:6(3000-X)=4X
18000-6X=4X
18000=10X
X=1800