Have I rearraged this formula correctly?

  • Thread starter Gringo123
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In summary, when rearranging a formula, it is important to follow certain rules and steps to maintain accuracy. To check if the formula has been rearranged correctly, you can substitute values and compare results. Common mistakes include changing the order of operations and mixing up variables. When dealing with multiple variables, it is also important to consider their relationships. To rearrange a formula more efficiently, you can list out variables and their values and use algebraic properties and equations.
  • #1
Gringo123
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This formaula has to be rearraged to make X the subject:

Y = A(X x B) / X-C

My attempt is:

X = AB - C / Y - A
 
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  • #2
First of all, is it

[tex]y = \frac{a(x \times b)}{x-c}[/tex]

or

[tex]y = \frac{a(x \times b)}{x} - c[/tex]

When you ask such questions it is better to use too many parentheses than not enough.
 
  • #3
Also, it's not a good idea to use X for multiplication when you have a variable named x.
 

FAQ: Have I rearraged this formula correctly?

Can I rearrange a formula in any order I want?

No, you cannot rearrange a formula in any order you want. The order of the variables and operations in a formula is important and must follow certain rules to maintain accuracy.

How do I know if I have rearranged a formula correctly?

To check if you have rearranged a formula correctly, you can substitute the values of the variables into both the original and rearranged formula and compare the results. If the results are the same, then you have rearranged the formula correctly.

What are the common mistakes when rearranging a formula?

Some common mistakes when rearranging a formula include switching the order of operations, forgetting to distribute negative signs, and mixing up the variables. It is important to double check your work and follow the correct steps.

Can I rearrange a formula with multiple variables?

Yes, you can rearrange a formula with multiple variables. The same rules apply as with a formula with only one variable, but you must also consider the relationships between the variables and how they affect each other.

Are there any tips for rearranging a formula more efficiently?

One tip for rearranging a formula more efficiently is to clearly list out the variables and their corresponding values. This can help you keep track of the variables and their relationships as you rearrange the formula. You can also use algebraic properties and equations to simplify the rearrangement process.

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