lizjonesmom97 lizjonesmom97
  • 08-05-2019
  • Mathematics
contestada

Simplify 2m - [n - (m - 2n)]. -3m - n 3m - n -3m - 3n 3m - 3n

Respuesta :

kudzordzifrancis
kudzordzifrancis kudzordzifrancis
  • 08-05-2019

Answer:

3m-3n

Step-by-step explanation:

We want to simplify the expression;

2m - [n - (m - 2n)].

We expand the parenthesis to obtain;

2m - (n - m + 2n)

2m - ( - m + 3n)

Expand further to get;

2m +m -3n

Combine the first two terms;

3m-3n

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