# Basic Algebra | IntMath forum

- Addition and Subtraction of Algebraic Expressions [Pending...]

simplify โ3[โ5(m โ 2n) + 4n] + `sqrt(4n)`**rpstaines**13 Apr 2021, 10:46 - How do I calculate the length of wire on a tubular ceramic form? [Solved!]

I need to calculate the total length of wire required for a wire wound resistor...**Stephan**21 May 2018, 02:58 - Manipulating algebra fractions [Solved!]

when solving the right hand side of an equation (fluid flow ) from `sqrt(25/(1-(x^4/0.1^4))) goes to `-sqrt(25/(1-10000X^4))` this...**Mickb**02 Jan 2018, 10:46 - Absolute value [Solved!]

If x = -|w|, which of the following MUST be true A. x=-w B. x=w C. x^2=w D. x^2=w^2 E....**mansoor**25 Jun 2017, 06:26 - order of operations [Solved!]

As the kids always say - this is probably a stupid question - but how...**RikaAlpha**07 Jul 2016, 12:30 - Reciprocals [Solved!]

I am doing some problems with amateur radio where they ask for the "reciprocal of...**stephenB**22 Dec 2015, 05:37 - Age problem [Solved!]

Can u please help me with this problem: In 10 years' time Ryan will be twice...**Maria**26 Nov 2015, 09:27 - Gasoline oil problem [Solved!]

I don't agree with your answer in exmple 4. The gasoline-oil mixture is at 75% in...**Hannah**24 Nov 2015, 10:50 - Applied verbal problems [Solved!]

Can you help me with this Verbal Problem and show me the equation(s) I could...**Verna**24 Nov 2015, 10:22