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How do I solve this: 15-2x=9

 

I did it like this: 2x=15+9

                       2x=24

                       x=24:2

                      x=12               If this is wrong please how to do it and why is like that?

 

 

 

How do I solve this: 30-4x=24?

 Oct 12, 2016
edited by Guest  Oct 12, 2016
 #1
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How do I solve this: 15-2x=9

 

15-2x=9 subtract 15 from both sides

- 2x = -6 divide both sides by -2

x = 3

 Oct 12, 2016
 #2
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 15-2x=9

-15       -15

-2x=-6

    -2

x=3

 

Does that help?

 Oct 12, 2016

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