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x-cena radia
5x=875 zl
x=175
telewizor kosztowal 700zl radio175
4x - cena telewizora
x + 4x = 875 zł
5x = 875 zł
x = 175 zł - cena radia
4x = 4 * 175 zł = 700 zł - cena telewizora
Pozdro))
telewizor 4x
x +4x = 875
5x = 875 / 5
x = 175
4x = 700
radio kosZtowało 175 zł, a telewizor 700