Answer:
[tex]x - 6 + 9 + (2x - 19) = 23[/tex]
*because all the expressions given are in the same segment of line which have the value of 23*
then you solve for x
[tex]x - 6 + 9 + 2x - 19 = 23[/tex]
[tex]x - 16 + 2x = 23[/tex]
[tex]x + 2x = 23 + 16[/tex]
[tex]3x = 39[/tex]
[tex]x = 13[/tex]
