Odpowiedź:
4. b) -14 c) -1
5. :3, :3, x, 6
Wyjaśnienie:
4. b)
x -21 = -35
x = -35 + 21
x = -14
c)
3 + x = 2
x = 2 -3
x = -1
5.
3x = 18
: 3 : 3
x = 6
Powodzenia na matmie ;)
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Verified answer
Odpowiedź:
4. b) -14 c) -1
5. :3, :3, x, 6
Wyjaśnienie:
4. b)
x -21 = -35
x = -35 + 21
x = -14
c)
3 + x = 2
x = 2 -3
x = -1
5.
3x = 18
: 3 : 3
x = 6
Powodzenia na matmie ;)