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  • 28-11-2016
  • Mathematics
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The solution of the equation 7x+2=23 is ?

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Engineeringmagician
Engineeringmagician Engineeringmagician
  • 28-11-2016
7x+2=23
Move 2 to the other side
7x=23-2
7x=21 

To isolate the x divide both sides by 7
x=3 

To check plug the value of x back in 

7(3)+2=23
21+2=23
23=23
Answer Link
muffin12345 muffin12345
  • 28-11-2016
7×+2=23
-2 -2
7x=21
x=3
Answer Link
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