x- dwuzłotówki y- złotówki y=3x y+2x=95 3x+2x=95 5x=95x=19 dwuzłotówek y=3x19y=57 jednozłotówek
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x- dwuzłotówki
y- złotówki
y=3x
y+2x=95
3x+2x=95
5x=95
x=19 dwuzłotówek
y=3x19
y=57 jednozłotówek