Let X Represent the Number

Multiple Choice

Let x represent the number. Use the given conditions to write an equation. Solve the equation and find the number.
-An isosceles triangle contains two angles of the same measure. If the measure of the third angle is 42° less than the measure of either of the other two identical angles, find the measure of one of the identical angles. (Hint:
The sum of the angles of a triangle is 180°.)

A) 54°
B) 74°
C) 32°
D) 111°