x-4.5=52-x+6.2 怎么解x-4.5=52-x+6.252-(-4.5)+6.22x=52+6.2+4.5x=62.7/2x=31.35 这样不行,
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![x-4.5=52-x+6.2 怎么解x-4.5=52-x+6.252-(-4.5)+6.22x=52+6.2+4.5x=62.7/2x=31.35 这样不行,](/uploads/image/z/47720-56-0.jpg?t=x-4.5%3D52-x%2B6.2+%E6%80%8E%E4%B9%88%E8%A7%A3x-4.5%3D52-x%2B6.252-%28-4.5%29%2B6.22x%3D52%2B6.2%2B4.5x%3D62.7%2F2x%3D31.35+%E8%BF%99%E6%A0%B7%E4%B8%8D%E8%A1%8C%EF%BC%8C)
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x-4.5=52-x+6.2 怎么解x-4.5=52-x+6.252-(-4.5)+6.22x=52+6.2+4.5x=62.7/2x=31.35 这样不行,
x-4.5=52-x+6.2 怎么解
x-4.5=52-x+6.2
52-(-4.5)+6.2
2x=52+6.2+4.5
x=62.7/2
x=31.35
这样不行,
x-4.5=52-x+6.2 怎么解x-4.5=52-x+6.252-(-4.5)+6.22x=52+6.2+4.5x=62.7/2x=31.35 这样不行,
x-4.5=52-x+6.2
x-(-x)=52-(-4.5)+6.2
2x=52+6.2+4.5
x=62.7/2
x=31.35
2x=52+6.2+4.5
2x=62.7
x=31.5
x+x=52+6.2+4.5
2x=62.7
x=31.35
x-(-x)=x+x=2x
移项,得
x+x=52+6.2+4.5
合并同类项,得
2x=62.7
化简,得
x=31.35
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