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how do i do wquations and fractions?

 Feb 3, 2015

Best Answer 

 #1
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+5

It depends on what type of problem you are looking at. 

 

To solve basic equations goes as follows.

 

Problem: 5x + 9=54

 

To solve this equation, you have to get the variable x by itselfTo do this, start first by taking the inverse operation of the problem. In this case, since the problem has + 9, we want to subtract 9 from both sides. You have to keep things even. 

 

5x + 9 (-9) = 54 (-9)

 

Now, you simplfy. 

 

5x = 45

 

Here, is still paired with the 5. This means (value of x) multiplied by 5. To eliminate the 5, divide both sides by 5. Keep things even!

 

5x = 45

----  ----

 5      5

 

Now, Simplify. 

 

The fives cancel, and 45/5 is 9. 

 

x=9.

 

This is basic equation solving and is used throughout mathmatics. Most classes all link back to this in some way. 

 

I hope this helps you a bit and good luck with equations!

 Feb 3, 2015
 #1
avatar
+5
Best Answer

It depends on what type of problem you are looking at. 

 

To solve basic equations goes as follows.

 

Problem: 5x + 9=54

 

To solve this equation, you have to get the variable x by itselfTo do this, start first by taking the inverse operation of the problem. In this case, since the problem has + 9, we want to subtract 9 from both sides. You have to keep things even. 

 

5x + 9 (-9) = 54 (-9)

 

Now, you simplfy. 

 

5x = 45

 

Here, is still paired with the 5. This means (value of x) multiplied by 5. To eliminate the 5, divide both sides by 5. Keep things even!

 

5x = 45

----  ----

 5      5

 

Now, Simplify. 

 

The fives cancel, and 45/5 is 9. 

 

x=9.

 

This is basic equation solving and is used throughout mathmatics. Most classes all link back to this in some way. 

 

I hope this helps you a bit and good luck with equations!

Guest Feb 3, 2015

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