6.4 CALCULATIONS WITH LETTERS

Learning objectives

At the end of this paragraph you are able to...

... explain what like terms are.
... add like terms.
... simplify products with the use of like terms.
... simplify sums with the use of like terms.

Which level of difficulty should you choose?

You will get a question to test yourself. If you have no difficulties with the question you should choose the normal path or the in-depth path. If you struggle with the exercise it is wise to choose the supporting path.

The choice is yours, choose wisely.

Which level of difficulty should you choose?

a) Calculate

5p - 2l when p = 1 and l = 4

b) Simplify

2k + 8m + k + 9m

Answer