8n-30 - (5n+10) = 8n-30-5n-10 = 3n-40 more marbles than his brother

just subtract 5n+10 from 8n-30. 8n-5n=3n and 10--30 = 10+30 = 40

Genevieve T.

asked • 12/02/20
Follow

Add comment

More

Report

8n-30 - (5n+10) = 8n-30-5n-10 = 3n-40 more marbles than his brother

just subtract 5n+10 from 8n-30. 8n-5n=3n and 10--30 = 10+30 = 40

Ask a question for free

Get a free answer to a quick problem.

Most questions answered within 4 hours.

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.