Seudónimo
Seudónimo
22-02-2017
Mathematics
contestada
o+2a+b-2o-b+o so what is the answer
Respuesta :
apologiabiology
apologiabiology
22-02-2017
assuming O=o
group then add like terms
1o+2a+1b-2o-1b+1o=
1o+1o-2o+2a+1b-1b=
0+2a+0=
2a
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