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y - wiatraki
x + y = 113
2x = y + 1
------------------
3x + y = y + 114 / -y
3x = 114 / :3
x = 38
x + y = 113
38 + y = 113 / - 38
y = 75
ODP: Paulina ma 38 pierników i 75 wiaraków