Question

How do you simplify `4a - 3 + 5a`?

Answer 1

`9a-3`

Explanation:

In algebra, terms are separate by + and - signs.
We may only add or subtract like terms, that is, terms with the same variable.
In this case, 4a and 5a are like terms since hey have the same variable, a, and so we can add them to obtain 9a.
9a and -3 are unlike terms s we cannot simplify any further by adding them together and so the final answer is 9a - 3.