January 2019 1 6 Report
Proszę o pomoc w zadaniu domowym

a) -7+3y+9+2y =
b) x-3x+2-2x-7 =
c) -5x+4y-y-7x-9y =
d) 4x+5-x-4+x-3x =
e) 0,5a-2a+9-0,5a-11,5 =
f) -14k+9k-13+k+3+4k =
g) -3k+2m+5m-7+k-m =
h) 2x-4+3x-2 =
i) x-3y-2x+6y =
j) 2y-5-3y-4-8y+9 =
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