Question

Solve for r when
- 5 = – 4
-
20
r=
What is r?

Answer 1

r=1/20

Explanation:

-5=-4-20r (+4 both sides)

-1=-20r (times -1 both sides)

1=20r (divide by 20)

1/20=r

Answer 2

r is 19

Explanation:

-4 - 20 = -24

-24 - r = -5

r = 19