Question

Subtract 5m-7n-2q from the sum of 2m+4n-9q and m-5n-6q.​

Answer 1

Answer:

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• sum of 2m + 4n - 9q & m - 5n - 6q

= 3m - n - 15q

• difference from 3m - n - 15q to 5m - 7n - 2q

= -2m + 6n - 13q

__________________________

By column method :

Sum :

2m + 4n - 9q

+ m - 5n - 6q

____________

3m - n - 15q

_______________

Difference :

3m - n - 15q

- 5m - 7n - 2q

+ +

______________

-2m + 6n - 13q

_______________