Find the sum of all positive whole numbers x such that 2x-7 < 21.

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asked Sep 10, 2021 19.1k views

1 vote

Find the sum of all positive whole numbers x such that 2x-7 < 21.

Mathematics
middle-school

Buksy asked

by Buksy

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2 Answers

3 votes

Answer:

x=14

Explanation:

2x-7<21

+7=0

2×<21+7=28

2×/2=0

2/28

=14

Tyme answered Sep 12, 2021

by Tyme

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2 votes

Answer:

Explanation:

Trust me, it's an Aops question, and I got mastery on it, or blue if you want.

Cask answered Sep 15, 2021

by Cask

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