Question

How do you solve `4( w + 1) - 7= 3( w - 1) + w`?

Answer 1

`w` has `oo` possible values.

Explanation:

`4(w+1)-7=3(w-1)+w`

Distribute:
`4w+4-7=3w-3+w`

Combine like terms:
`4w-3=4w-3`

Because both sides are always equal for any value of `w`, there are `oo` answers for `w`.