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3 years ago

15

-9(-5k+3m)+9m-4(-5m+9k)

2 answers:

lyudmila [28]3 years ago

7 0

Answer:

9k+2m

Step-by-step explanation:

-9(-5k+3m)+9m-4(-5m+9k)

45k-27m+9m+20m-36k

45k-36k-27m+9m+20m

9k+2m

Veseljchak [2.6K]3 years ago

5 0

Answer:

9k + 2m

Step-by-step explanation:

- 9(-5k + 3m) + 9m - 4(-5m + 9k)

45k - 27m + 9m + 20m - 36k

45k - 36k - 27m + 9m + 20m

9k + 2m

Hope this helps!

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