Seudónimo
Seudónimo
29-03-2017
Mathematics
contestada
Hich expression is equivalent to 21x + 9 - 3x
Respuesta :
bbynina97
bbynina97
29-03-2017
(21x-3x)+9
Answer is 18x+9
hope i helped if did plz mark as brainliest^-^
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