Answer:
[tex]y = 2x - 2 \\ y = mx + c[/tex]
When the point is (3,4) and slope=2
[tex]4 = 2 \times 3 + c \\ 4 = 6 + c \\ \boxed{c = - 2}[/tex]
Now, when the point is (x,11) and slope=2
[tex]11 = 2x - 2 \\ 2x = 13 \\ x =\frac{13}{2} \\ \boxed{x = 6.5 }[/tex]
6.5 is the right answer.
