poprosiłbym o obliczenia

Odpowiedź:
5/4 (1 - x) - 1/4 = 3/4 (x - 4) + 35/4 - 5/4x - 1/4 = 3/4x - 3 + 3
4/4 - 5/4x = 3/4x
1 = 3/4x + 5/4x
1 = 8/4x
1 = 2x
x = 1/2