Question

The sum of two consecutive integers is −19. Find the integers.

Answer 1

`-9`

`-10`

Explanation:

`x+x+1=-19`

`2x+1=-19`

`2x=-19-1`

`2x=-20`

`x=-20 / 2`

`x=-10`

`x+x+1=-19`

`x+1=-19-x`

`-10+1=-19-(-10)`

`-9=-19+10`

`-9=-9`

Answer 2

-9 and -10

Explanation:

x + x+1=-19

2x+1=-19

2x=-19-1

2x=-20

x=-10

x+1

-10+1=-9