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![1.1x-2 frac{1}{2}= frac{3}{5}x \ \ 1.1x-2.5=0.6x \ 1.1x-0.6x=2.5 \ 0,5x=2.5 \ x=2,5:0,5 \ x=5 1.1x-2 frac{1}{2}= frac{3}{5}x \ \ 1.1x-2.5=0.6x \ 1.1x-0.6x=2.5 \ 0,5x=2.5 \ x=2,5:0,5 \ x=5](https://tex.z-dn.net/?f=1.1x-2+frac%7B1%7D%7B2%7D%3D+frac%7B3%7D%7B5%7Dx+%5C+%5C+1.1x-2.5%3D0.6x++%5C+1.1x-0.6x%3D2.5+%5C+0%2C5x%3D2.5+%5C+x%3D2%2C5%3A0%2C5+%5C+x%3D5)
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![6.75x=2 frac{1}{4} x-9 \ \ 6.75x=2.25x-9 \ 6.75x-2.25x=9 \ 4.5x=9 \ x=9:4.5 \ x=2 6.75x=2 frac{1}{4} x-9 \ \ 6.75x=2.25x-9 \ 6.75x-2.25x=9 \ 4.5x=9 \ x=9:4.5 \ x=2](https://tex.z-dn.net/?f=6.75x%3D2+frac%7B1%7D%7B4%7D+x-9+%5C++%5C+6.75x%3D2.25x-9+%5C+6.75x-2.25x%3D9+%5C+4.5x%3D9+%5C+x%3D9%3A4.5+%5C+x%3D2)
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![16-9 frac{1}{2} y=3y+21 \ \ 16-9.5y=3y+21 \ 3y+9.5y=16-21 \ 12.5y=-5 \ y=-5:12.5 \ y=-0,4 16-9 frac{1}{2} y=3y+21 \ \ 16-9.5y=3y+21 \ 3y+9.5y=16-21 \ 12.5y=-5 \ y=-5:12.5 \ y=-0,4](https://tex.z-dn.net/?f=16-9+frac%7B1%7D%7B2%7D+y%3D3y%2B21+%5C++%5C+16-9.5y%3D3y%2B21+%5C+3y%2B9.5y%3D16-21+%5C+12.5y%3D-5+%5C+y%3D-5%3A12.5+%5C+y%3D-0%2C4)
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![1 frac{1}{4} y+7.5=5y \ \ 1.25y+7.5=5y \ 5y-1.25y=7.5 \ 3.75y=7.5 \ y=7.5:3.75 \ y=2 1 frac{1}{4} y+7.5=5y \ \ 1.25y+7.5=5y \ 5y-1.25y=7.5 \ 3.75y=7.5 \ y=7.5:3.75 \ y=2](https://tex.z-dn.net/?f=1+frac%7B1%7D%7B4%7D+y%2B7.5%3D5y+%5C++%5C+1.25y%2B7.5%3D5y+%5C+5y-1.25y%3D7.5+%5C+3.75y%3D7.5+%5C+y%3D7.5%3A3.75+%5C+y%3D2)
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![0.5x-7=- frac{2}{3} x \ \ 0.5x*3-7*3=-2x \ 1.5x-21=-2x \ 2x+1.5x=21 \ 3.5x=21 \ x=21:3.5 \ x=6 0.5x-7=- frac{2}{3} x \ \ 0.5x*3-7*3=-2x \ 1.5x-21=-2x \ 2x+1.5x=21 \ 3.5x=21 \ x=21:3.5 \ x=6](https://tex.z-dn.net/?f=0.5x-7%3D-+frac%7B2%7D%7B3%7D+x+%5C++%5C+0.5x%2A3-7%2A3%3D-2x+%5C+1.5x-21%3D-2x+%5C+2x%2B1.5x%3D21+%5C+3.5x%3D21+%5C+x%3D21%3A3.5+%5C+x%3D6)
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![6y-2 frac{4}{5} =2.5y \ \ 6y-2.8=2.5y \ 6y-2.5y=2.8 \ 3.5y=28 \ y=28:3.5 \ y=8 6y-2 frac{4}{5} =2.5y \ \ 6y-2.8=2.5y \ 6y-2.5y=2.8 \ 3.5y=28 \ y=28:3.5 \ y=8](https://tex.z-dn.net/?f=6y-2+frac%7B4%7D%7B5%7D+%3D2.5y+%5C++%5C+6y-2.8%3D2.5y+%5C+6y-2.5y%3D2.8+%5C+3.5y%3D28+%5C+y%3D28%3A3.5+%5C+y%3D8)
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