Respuesta :

35 = 1/2h (6+1)
35 = 1/2 h + 7
28 = 1/2h
14 = 1h
14 = h
35=1/2h(7)
divide by 7
5=1/2h
multiply by 1/2
5*1/2=h
h=5/2

i think this is right i hope it helps