Question

How do you combine like terms in `7a - 10( a - 3) + 12`?

Answer 1

`42 - 3a`

Explanation:

`7a - 10(a - 3) + 12`

Expand the brackets

`7a - 10a + 30 + 12`

Simplifying...

`- 3a + 42`

`42 - 3a`