Odpowiedź:
zad 5
a)
2x + 3 = 3 do podkreślenia
2x = 3 - 3
2x = 0
x = 0
4 = 4 - 4y do podkreślenia
- 4y = 4 - 4
- 4y = 0
y = 0
- 5u = 0 do podkreślenia
u = 0
4z - 6z = 0 do podkreślenia
- 2z = 0
z = 0
b)
x = x
3z = 4z
2x = 3x
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Odpowiedź:
zad 5
a)
2x + 3 = 3 do podkreślenia
2x = 3 - 3
2x = 0
x = 0
4 = 4 - 4y do podkreślenia
- 4y = 4 - 4
- 4y = 0
y = 0
- 5u = 0 do podkreślenia
u = 0
4z - 6z = 0 do podkreślenia
- 2z = 0
z = 0
b)
x = x
3z = 4z
2x = 3x