Answer :
Easy, you would subtract 11 from 23 (23-11= ) so that answer is 12. Now divide 12 by 6 and you get 2! Hope it helped!
[tex]11+6x=23 \\ \\ 11+6x-11=23-11 \\ \\ 6x=12 \\ \\ \frac{6x}{6}= \frac{12}{6} \\ \\ x=2 [/tex]
