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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