Which equation could be used to find the length of the missing side of the quadrilateral?
A quadrilateral is shown with with side lengths of 7 in., x in., 7 in., and 4 in.. The perimeter is 26 in.
A.
x
+
14
=
26
+
4
B.
x
+
18
=
26
+
4
C.
x
+
14
=
26
D.
x
+
18
=
26
C. x + 14 = 26
S
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