Topic: Algebra Substitution
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Answers to Common Questions
How to Substitute in Algebra 1
Diophantus, Girolamo Cardano, al-Khwarizmi, Omar Khayyam, René Descartes, Kowa Seki, and many, many others are named in the annuls of the greats in the field of mathematics and, more specifically. algebra. These men pioneered, invented or b... Read More »
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How to Solve an Algebra Problem by Substitution
On standardized tests, you might be given two algebra equations and asked to solve for variables x and y. One method for solving is substitution. Substitution is particularly effective when one variable is expressed directly in terms of the... Read More »
Source: http://www.ehow.com/how_4478261_solve-algebra-problem-substitutio...
How to Substitute Values Into an Algebraic Expression
Much work in mathematics requires us to substitute values into an algebraic expression. This is especially true when using formulas to calculate quantities such as area and volume. It really isn't difficult, but as with anything it can be a... Read More »
Source: http://www.ehow.com/how_4443856_substitute-values-algebraic-expre...
More Common Questions
Answers to Other Common Questions
Substitution is used in Systems of Linear Equations. When you have two equations, such as y=3x+1 and 2y+5=9x+1, then substitution can be used. 2y could be substituted with 2(3x+1). You would have now the equation 6x+2=9x-1, which is more so...
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Source: http://wiki.answers.com/Q/What+is+substitution+in+algebra
Substitution can be a valuable technique for solving algebraic expressions. The expressions are made up of variables, functions and phrases containing variables and functions. Substituting something else in for one of these components can p...
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Source: http://www.ehow.com/how_8392310_use-substitution-evaluate-algebra...
Back substitution is an algebraic method of solving equations that have three unknown variables in a matrix format. Teaching your students the back substitution method allows them to work backwards, moving from the known to unknown variable...
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Source: http://www.ehow.com/how_7859195_teach-back-substitution-algebra-2...
Substitution is using 'x' or 'y' to represent an unknown value to solve an e...
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In the substitution method, you solve one of the equations for one ... ...MORE...
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When using the method of substitution in algebra, a variable such a... ...MORE...
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Okay, you just asked a VERY long-winded answer question my friend. Alright here is an example question. 2x-1=y+5, y-1=x-5 Solve for x or y, which ever is easiest, first. y-1=x-5 y=x-4 Now plug in y in the other equation. 2x-1=y+5 2x-1=(x-4)...
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Source: http://wiki.answers.com/Q/How_do_you_do_substitution_in_algebra
