Question

How do you simplify `-2x+6-(x-3)`?

Answer 1

`-2x+6 - (x-3)`
apply the minus sign inside the parentheses
`color(white)("XXXX")` `=-2x+6 -x +3`
group like terms
`color(white)("XXXX")` `= -2x -x + 6 +3`
add like terms
`color(white)("XXXX")` `= -3x + 9`