Question

12b−17b−b how solve this?

Answer 1

-6b

Explanation:

In this question, its simple math,how?

All the terms are alike, so just apply subtraction method;

`=12b-17b-b\\\\\\\\=12b-18b\\\\=-6b`

Answer 2

For this case we have the following expression:

`12b-17b-b=`

We have that by definition of Law of the Signs of the Sum that: Equal signs are added and the same sign is placed, while different signs are subtracted and the sign of the greater is placed. So:

`-5b-b =\\-6b`

Answer:

-6b