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Video: Writing Simple Algebraic Expressions

Kathryn Kingham

A person is 6𝑧 years old. What was their age 6 years ago?

00:47

Video Transcript

A person is six ๐‘ง years old. What was their age six years ago?

To find anyoneโ€™s age six years ago, we will take their current age and subtract six years. We can do the same thing here. The person is currently six ๐‘ง years old โ€” current age six ๐‘ง. And we need to subtract six years.

The age of a person that is six ๐‘ง years old now is equal to six ๐‘ง minus six.