WYKONAJ DZIAŁANIA :
3x + x =
3a + 5a =
8y - y =
10a - 4a =
5x - (-7x) =
2a - 6a =
-3b - 4b =
3z + 2z + 7z =
9y + 6y - 2y =
5w - 4w - 2w =
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8a
7y
6a
5x + 7x=12x -zamiana
-4a
-3b + (-4b)= -7b-zamian
12z
13y
-1w
3x + x = 4x
3a + 5a = 8a
8y - y = 7y
10a - 4a = 6a
5x - (-7x) = 5x + 7x=12x -zamiana
2a - 6a = -4a
-3b + (-4b)= -7b-zamian
3z + 2z + 7z = 12z
9y + 6y - 2y = 13y
5w - 4w - 2w = -1w