Question

How can I work this problem in adding integers with counters 5 + (-7)

Answer 1

is -2

Explanation:

because we have (-)+(+) is - so our answer is in minus

Answer 2

`\\ \rm\longmapsto 5+(-7)`

`\\ \rm\longmapsto 5-7`

`\\ \rm\longmapsto -2`

Note:-

• (-)(-)=(+)
• (+)(-)=(-)
• (-)(+)=(-)
• (+)(+)=(-)