{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":41,"n_cols":5,"rows_kept":41,"merged":[[1,1,1,6],[2,2,2,5],[3,3,3,4],[4,2,4,5],[5,3,5,4],[6,2,6,5],[7,2,7,5],[14,3,14,4],[17,2,17,5],[18,2,18,5],[19,2,19,5],[20,3,20,4],[22,3,22,4],[24,3,24,4],[26,3,26,4],[28,3,28,4],[30,2,30,5],[31,2,31,5],[32,2,32,5],[34,2,34,5],[35,2,35,5],[36,3,36,4],[37,2,37,5],[38,3,38,4],[40,2,40,5]],"flags":["formulas_cached_only"]}
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[null,null,"To go to the main website, Calculation Devices for Algebra left click on these words.."]
[{"$nulls":3},"AX+BX+CX = N"]
[null,null,"The calculator on this webpage solves equations of the type shown above, for X, when the values for A, B, C, and N, are entered into the white boxes below.  "]
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[null,null,"Delete the numbers in the white boxes below, and enter your own numbers.  Then, left click with the mouse, on the yellow or blue background, and the value of X will be calculated, in the green box. "]
[null,null,"Scroll all the way down, beneath the calculator, for additional instructions and contact information "]
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[{"$nulls":3},"A=",10]
[{"$nulls":3},"B=",20]
[{"$nulls":3},"C=",30]
[{"$nulls":3},"N=",600]
[{"$nulls":3},"The calculated result is presented below"]
[{"$nulls":3},"X=",10]
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[null,null,"The formula in this green box cannot be seen, so it is reproduced here: =E14/(E11+E12+E13)  I created this formula by solving the equation on the top of this page (AX+BX+CX= N) for X, and then I represented A, B, C and N with the input cells.  "]
[null,null," "]
[null,null,"The equation on top of this page (AX+BX+CX=N) represents the set of equations that this calculator can solve.  All of the following are examples: "]
[{"$nulls":3},"2X+3X+5X=100"]
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[{"$nulls":3},"-6X-4X-90X=500"]
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[{"$nulls":3},"24X+26X+50X=-1000"]
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[{"$nulls":3},"(A=0),  20X+30X=200"]
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[{"$nulls":3},"(A=0 and B=0),   250X=1500"]
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[null,null,"With this calculator you can enter positive as well as negative numbers.  You can also enter very large and very small numbers, involving over 250 digits."]
[null,null,"Numbers that have many digits will be displayed in scientific notation, using the letter E.  For example 900000000000000 is displayed as 9E+14, and 0.00000000000009 is displayed as 9E-14."]
[null,null,"(Note, the spreadsheet version of this calculator uses an uppercase E. and the JavaScript version uses a lowercase e.)"]
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[null,null,"© June 2010, Created by"]
[null,null," David@TechForText.com    \n"]
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[null,null,"To contact the author use the above email address, or \nleft click on these words for a website communication form."]
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[null,null,"To go to the main website, Calculation Devices for Algebra, (www.TechForText.com/Algebra) left click on these words."]