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Write using algebra. If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?

Write using algebra. If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?
80.5k views
3 votes
Write using algebra.

If Jim is x years old now, and his sister is twice as old, how old was his sister 7 years ago?

User Lee Berger
by
8.5k points

2 Answers

2 votes
I think his sister would be 7, 7 years ago but I'm not sure
User Francky
by
7.8k points
4 votes
The answer is 2x-7

And this needs to be 20 characters (so don't mind this)
User Cahit
by
8.1k points
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