Question

What is the value of - 30 - (- 17)?13- 4747-13

Answer 1

Recall that:

`-(-17)=-1(-17),`

then:

`-(-17)=+17.`

Therefore:

`-30-(-17)=-30+17.`

Simplifying the above sum we get:

`-30-(-17)=-30+17=-13.`

Answer:

`-13.`