x-3/4x=240-x-40怎么解?

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x-3/4x=240-x-40怎么解?x-3/4x=240-x-40怎么解?x-3/4x=240-x-40怎么解?x/4+x=2005x=800x=160x1/4=200-xx5/4=200x=160

x-3/4x=240-x-40怎么解?
x-3/4x=240-x-40怎么解?

x-3/4x=240-x-40怎么解?
x/4+x=200
5x=800
x=160

x1/4=200-x
x5/4=200
x=160

X-3/4X=240-X-40
1/4X=200-X
1/4X+X=200
5/4X=200
X=160
望采纳,谢谢