A convex octagon has interior angles with measures
(
x
+
55
)
°
,

(
3
x
+
20
)
°
,

4
x
°
,

(
4
x

10
)
°
,

(
6
x

55
)
°
,

(
3
x
+
52
)
°
,

3
x
°
,
and
(
2
x
+
30
)
°
.
Find the value of x.