Question

How do you simplify the expression `3(4+n) - 5`?

Answer 1

`7 - 3n`

Explanation:

`3(4 + n) - 5`

First you remove the brackets, by multiplying all that is outside with the digits inside the bracket..

`3 xx 4 + 3 xx n - 5`

`12 + 3n - 5`

`12 - 5 + 3n`

`7 - 3n`