Question

How do you simplify `2(a-4)+15`?

Answer 1

`2a+7`

Explanation:

Open the brackets first and simplify further as shown below:

`2(a-4)+15`

`2a - (2 xx 4) + 15`

`2a-8+15`

`2a+7` -----> This is the last stage, cannot be simplified further.