Question

How do you simplify `4x-3-(x+1)+(1-x)`?

Answer 1

`2x-3`

Explanation:

`f(x) = 4x -3-(x+1)+(1-x)`

Remove the brackets
`f(x) = 4x-3-x-1+1-x`

Bring together terms in `x` and constants
`f(x) = 4x-x-x -3-1+1`

Sum terms in `x` and constants
`f(x) = 2x-3`