OBLICZ !
a) 2x + 3y + 4x + 5y =
b) m + 3n + 4m + 3n =
c) 8k + 5u - 2k - 3u =
d) 11a + 8x - a - 7x =
e) 4b + 9c + 8d - 3b - c + d =
f) 3x + 5y -1 - 2x - y =
g) 4a - 5b - 2c - 2h + 3c + 8a =
Przykład: a + 3a +1 = 4a + 1
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a) 2x+3y+4x+5y=6x+8y
b) m+3n+4m+3n=6n+5m
c) 8k+5u-2k-3u=6k+2u
d) 11a+8x-a-7x=10a-x
e) 4b+9c+8d-3b-c+d=b-8c+9d
f) 3x+5y-1-2x-y=x-3y
g) 4a-5b-2c-2h+3c+8a=12a-5b+c-2h