X-(0.4X+160)/0.4X+160=13/22怎么解
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![X-(0.4X+160)/0.4X+160=13/22怎么解](/uploads/image/z/5179799-47-9.jpg?t=X-%280.4X%2B160%29%2F0.4X%2B160%3D13%2F22%E6%80%8E%E4%B9%88%E8%A7%A3)
X-(0.4X+160)/0.4X+160=13/22怎么解
X-(0.4X+160)/0.4X+160=13/22怎么解
X-(0.4X+160)/0.4X+160=13/22怎么解
22×0.4X-22×(0.4X+160)+22×160×0.4X=13×0.4X
8.8X-8.8X-22×160+1408X=5.2X
1402.8X=3520
X=
X=2.48或者X=-160.9