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2x=124 :2
x=62
62+23=85
Maciek ma 62 nalepki a Wojtek 85.
nalepki Maćka-x
nalepki Wojtka-x+23
Rozwiązanie:
Obliczam nalepki Maćka.
x+x+23=147
2x+23=147/-23
2x=147-23
2x=124/;2
x=62
Obliczam nalepki Wojtka
62+23=85
124/2=62 - nalepki maćka
62+23=85 - nalepki wujtka