Question

How do you solve `-3(4x-2)=-21`?

Answer 1

`x = 9/4`

Explanation:

`-3(4x - 2) = -21`

divide by `(-3)` to both sides
`(-3(4x - 2))/-3 = -21/-3`
`4x - 2 = 7`

add `2` to both sides
`4x - 2 + 2 = 7 + 2`
`4x =9`

divide `4` to both sides
`(4x)/4 =9/4`
`x = 9/4`