jefferyadean
jefferyadean
06-02-2020
Mathematics
contestada
(-1 – 2n + 3n) – (-7n+4)
Respuesta :
Аноним
Аноним
06-02-2020
Answer:
-1-2n+3n is 0.
-7+4 is -3
-3+0 is -3
-3 is ur answer
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