lillibell07
lillibell07 lillibell07
  • 08-10-2019
  • Mathematics
contestada

Help please.
1.) 12x+9x+15x

2.) 7n+28-21m

Respuesta :

Аноним Аноним
  • 08-10-2019

Answer:     1. 36x        2.− 21 m + 7 n + 28

Step-by-step explanation:

Answer Link
Anonymous143 Anonymous143
  • 08-10-2019
1. 36x
2.-14nm + 28
Like terms
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