Question

How do you solve `-15( r + 931) = - 90`?

Answer 1

`r=-925`

Explanation:

Distribute -15 throughout the set of parenthesis
`-15r -13965=-90`

Add 13965 to both sides of the equation
`-15r=13875`

Isolate r by dividing both sides of the equation by -15
`r=-925`