Odpowiedź:
a) 9y+5+3y+4x-y-10=4x-11y-5
b) 2xy+5y²-2xy+2y²=7y²
c) 0,25x²-0,2y-3+0,2y-0,25x²+3=0
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Odpowiedź:
a) 9y+5+3y+4x-y-10=4x-11y-5
b) 2xy+5y²-2xy+2y²=7y²
c) 0,25x²-0,2y-3+0,2y-0,25x²+3=0