x=3.7
1) Given that AC is the line segment made up by AB + BC We can set this equation:
AC=AB+BC
13x-17=2x+4+19 Combining like terms
13x-2x -17=2x-2x+23
11x -17=23
11x -17+17 = 23 +17
11x = 40 Dividing both sides by 11
x=3.63 Round to the nearest tenth
x=3.7
