davy94
davy94
23-02-2017
Mathematics
contestada
last question and im done helpppppppppppp
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Setor9
Setor9
23-02-2017
2x+6(x-3)=160
2x+6x-18=160
8x-18=160
8x-18+18=160+18
8x=178
8/8x=178/8
x=22.25
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