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(2x-3-2-4x)/4=0
(-2x-5)/4=0
-2x-5=0
x=-2,5
jezeli chcesz aby x=1/2 to wzor musisz zmienic na (minus zmieniasz na plus)
2x+3(kreska ułamkowa)/4 = ½+x
jak cos to PW