Hej ;/
Równania .<proporcje>
1. 2/3=x/9
2. x+1/x=6/4
3. 5/x-10=-3/1-2x
4. 6/9x+2=4/6x+1
5. 2x-6/x-2=2/3
*2/3 - Dwie trzecie <ułamek>
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1.![\frac{2}{3} = \frac{x}{9} \frac{2}{3} = \frac{x}{9}](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D+%3D+%5Cfrac%7Bx%7D%7B9%7D)
3x = 2*9 | :3
x = 2*3
x = 6
2.![\frac{x+1}{x} = \frac{6}{4} \frac{x+1}{x} = \frac{6}{4}](https://tex.z-dn.net/?f=%5Cfrac%7Bx%2B1%7D%7Bx%7D+%3D+%5Cfrac%7B6%7D%7B4%7D)
3x = 2x + 2 |-2x
x = 2
3.![\frac{2}{x-10} = \frac{-3}{1-2x} \frac{2}{x-10} = \frac{-3}{1-2x}](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7Bx-10%7D+%3D+%5Cfrac%7B-3%7D%7B1-2x%7D)
30-3x = 5-10x |+3x
30 = 5-7x |-5
7x = 25 |:7
4.![\frac{6}{9+2x} = \frac{4}{6x+1} \frac{6}{9+2x} = \frac{4}{6x+1}](https://tex.z-dn.net/?f=%5Cfrac%7B6%7D%7B9%2B2x%7D+%3D+%5Cfrac%7B4%7D%7B6x%2B1%7D)
36x+6 = 36x+8 |-36x
5.![\frac{2x-6}{x-2} = \frac{2}{3} \frac{2x-6}{x-2} = \frac{2}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B2x-6%7D%7Bx-2%7D+%3D+%5Cfrac%7B2%7D%7B3%7D)
2x-4 = 6x-18 |-2x
-4 = 4x-18 |+18
4x = 14 |:4