Question

How do you solve `5= r - 1- 3r`?

Answer 1

`r=-3/2`

Explanation:

`5=r-1-3r`

`5=-1-4r`

add `4r` to both sides

`5+4r=-1`

subtract 5 from both sides

`4r=-6`

divide by 4

`r=-6/4`