Question

How do you simplify `7x-(9x+5)`?

Answer 1

`7x -(9x +5) = -2x - 5`

Explanation:

Since `(9x +5)` can not be more simplified than already is, take the parentheses out and change the signals, multiplying it content by `-1`:
`7x + (-1*9x) + + (-1*5) = 7x - 9x - 5 = -2x - 5`