sumka12 sumka12
  • 11-11-2014
  • Mathematics
contestada

what is x equal to when 2x+5=13

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luana
luana luana
  • 11-11-2014
[tex]2x+5=13\ \ \ \ \ \ \ \ |subtract\ 5\\\\2x=13-5\\\\2x=8\ \ \ \ \ \ \ \ \ \ |:2\\\\x=4\\\\Answer\ is\ 4.[/tex]
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sidneyboker
sidneyboker sidneyboker
  • 11-11-2014
2x+5=13
     -5  -5       Get 2 alone by subtracting 5
2x=8
---  ---           And dividing by 2 
2    2
x=4              There's your answer!

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