Respuesta :

17x-8=9x+24
-9x -9x
8x-8=24
+8 +8
8x=32
8x/8=32/8
X=4
and
17*4-8+9*4+24=AB
68-8+36+24=AB
60+36+24=AB
120=AB
X=4,AB=120 so answer is C