Can someone please help Triangle ABC is isosceles with ZC as the vertex angle. Find x and the measure of each side of the triangle if
AB = 3x - 4, AC = 2x + 6, and BC = 20. Input answers as: x=, AC=, AB= followed by your answer.

18
Explanation:
B is the vertex angle of isosceles triangle. So AB = BC and base side is AC.
As AB = BC
So,
5
x
−
28
=
2
x
+
11

5
x
−
2
x
=
28
+
11
3
x
=
39
x
=
39
3
=
13
AC =
x
+
5
= 13 + 5 = 18

Answer (datum point);

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