3/4 moich kotów i 3/4 kota to cała menażeria. Ile mam kotów?
x - ilość kotów
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x - ilość kotów
![\frac{3}{4}x+\frac{3}{4}=x \frac{3}{4}x+\frac{3}{4}=x](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7Dx%2B%5Cfrac%7B3%7D%7B4%7D%3Dx)
![\frac{3}{4}x-x=-\frac{3}{4} \frac{3}{4}x-x=-\frac{3}{4}](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7Dx-x%3D-%5Cfrac%7B3%7D%7B4%7D)
![-\frac{1}{4}x=-\frac{3}{4} -\frac{1}{4}x=-\frac{3}{4}](https://tex.z-dn.net/?f=-%5Cfrac%7B1%7D%7B4%7Dx%3D-%5Cfrac%7B3%7D%7B4%7D)
![x=3 x=3](https://tex.z-dn.net/?f=x%3D3)