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:

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Anonymous143 Anonymous143

08-10-2019

1. 36x
2.-14nm + 28
Like terms

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