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x+14 - Ala
x+28 - Gosia
x+x+14+x+28=480
3x+42=480
3x=480-42
3x=438 / :3
x= 146
146+14=160 - Ala
160+14=174 - Gosia
razem maja 480cm
14cm+14cm+14cm=42
480-42=438
438:3=146cm-Ola
146cm +28cm= 174cm-Ala
146+14=160cm-Gosia
ola: x
Gosia: x + 28
x+x+14+28+x=480
3x=480-42
3x=438 /:3
x=146
Ala: 146 cm + 14cm = 160cm
Ola: 146cm
Gosia:146cm + 28cm = 174cm