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How to calculate this equation

10x+2+45-56=0.find x.i want to enter these kinds of equtions directly into the calci screen and want to find answer at the click of a button. please write down the procedure

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I don't know of a calculator that can do that for you, its transposition, you have to get x on its own to find its value which in this case is 0.9

what you do to one side you do the oposite to the other for eg
if 10x+2+45-56=0 then
10x+2+45=56 we moved -56 over the = to make it +56 then
10x+2=56-45 then
10x=56-45-2 which is the same as 10x=9 then

10x means 10 multiplied by x, so to move the 10 over it becomes division.

x=9/10
x=0.9

Posted on Jun 11, 2008

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6_29_2011_11_01_40_pm.jpg
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6_29_2011_11_04_19_pm.jpg
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Hello

Yes, this is basic algebra but, can just as easy be explained by using regular numbers.

For example:

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This basically means (3+2)*(3+2)

Then you just multiply the product of the above.

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Now, when you are working with symbols, the same principle is used solving it. In the example you gave:

(X + Y)^2 can be written as follow:

(X + Y) * (X + Y) =

Now, again, just multiply out the product of the equation written above and you will get the answer.

X^2 + XY + XY + Y^2 Hence = X^2 + 2XY + Y^2

Hope this can be of help.

Feel free to let me know if you need further assistance.

Kind regards
Lock123

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