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Friday, 17 February 2012

Math Assignment Help-Applying Strategy to Solving Equations


Strategy
An action plan designed to achieve a specific goal can be termed as strategy. This  indicates how different engagements in doing a task  are to be linked.
 There are 4 parts of strategy.
 (1.) Information
(2.) Focus
(3.) Action
(4.) Position
Each part leads to the other. The map of the situation is filled by information. Focus helps in studying the map to discover the best opportunity to change the position filtering the unnecessary activities. The next step in this is driving to destination and the right path has to be chosen. Once action is started we progress ahead and keep changing our position to achieve the final result.

Let us take a word problem in math:
“4 less than one-third of a number is equal to 7 less than two-fifths of that number. Find the number”.
Step1( Identifying the information)
We identify the information in the given math problem. Since the number is unknown, we can take it as ‘N’.
Step2(Focus)
Now the focus of the problem is on finding the value of ‘N’.For this an algebraic equation for the same is framed.




Steps3 &4:(Action & Positioning)
The following steps are adopted towards getting end result.
Inverse operations are generally used to transfer terms from one side to the other. But what is important is to identify which terms are to be applied these operations. This is where positioning comes into picture. In the problem, it is better to transfer like terms to one side that is terms with N to either left side or right side of the equation and constants to the other side of the equation. This helps in simplifying the like terms. Once this is decided, the following steps of action are done.
Subtracting  N/3 from either side :




This cancels N/3 on left side of the equation.




     Grouping like terms :




 Making the denominator common for fractions:

   Combining like fractions:



Combining the terms with N:




  Transferring 7 to the left side of the equation by addition:


 Simplifying: 
3 = (N/15)

 Transferring 15 to the left side of the equation by multiplication:
3 *15 = (N/15) *15
 Simplifying
 45 = N
N =45
Thus the number is found using the four parts of strategy.

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