Interpreting Expressions Breanna thought of a number, added 5 to it, and then multiplied her answer by 3. She got a final number of 21. What was her starting number?

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asked Nov 14, 2021 150k views

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Interpreting Expressions

Breanna thought of a number, added 5 to it, and then multiplied her answer by 3. She got a final number of 21. What was her starting number?

Mathematics
high-school

Kundan Atre asked

by Kundan Atre

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Answer:

r u going to be a little late to the party but I

Hedede answered Nov 17, 2021

by Hedede

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2 votes

starting number is 7.

2+5 = 7

7x3 = 21

Filnik answered Nov 19, 2021

by Filnik

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