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kreska ułamkowa =30
3
8x+12-8y+2
kreska ułamkowa =30
3
8x+12-8y+2
3* kreska ułamkowa = 3*30
3
8x+12-8y+2=90
8x-8y=90-2-12
8x-8y=76
B) 5x+1 - y-3
kreska ulam. kreska ul. =3
3 4
5x+1 - y-3
34*kreska ulam. kreska ul. =34*3
3 4
5x+y-3=102
5x-y=102+3
5x-y=105