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I am trying to help my neice find the answer to this equation 3 1/3x + 1 5/6 =4 1/2, but I do not know how to explain getting to the answer? She does not have a computer, and I do not have the book in front of me to help her understand.
Hello Trisha,
I'd change the mixed numbers to improper fractions:
3 1/3x + 1 5/6 = 4 1/2 becomes
(10/3)x + 11/6 = 9/2...now subtract 11/6 from both sides:
(10/3)x = 9/2 - 11/6 ==> (10/3)x = 27/6 - 11/6
(10/3)x = 16/6 ==> (10/3)x=8/3...now multiply by 3/10
==> (3/10)(10/3)x=(3/10)(8/3)
==> 1x = 8/10 ==> x=4/5
OK?
Abe
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| Rating(1-10) | Knowledgeability = 10 | Clarity of Response = 10 | Politeness = 10 |
| Comment | I truly appreciate the help. This has enabled me to give the help to my neice that is needed. My neice does not have access to a computer, and this has refreshed my memory to give the needed help. Thank you again!! | ||
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Answers by Expert:
Abe Mantell
Expertise
Hello, I am a college professor of mathematics and regularly teach all levels from elementary mathematics through differential equations, and would be happy to assist anyone with such questions!
Experience
Over 15 years teaching at the college level.
Organizations
NCTM, NYSMATYC, AMATYC, MAA, NYSUT, AFT.
Education/Credentials
B.S. in Mathematics from Rensselaer Polytechnic Institute
M.S. (and A.B.D.) in Applied Mathematics from SUNY @ Stony Brook
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