Question

PLZ EXPLAIN!!Fill in the missing information in this Algebraic proof. Please label your answers as a, b, c, ...
a.) (Angle Addition Postulate)
b.) (Def. of Complementary Angles)
c.) (Transitive Prop. of Equality)
d.) ____ = 90 (Substitution)
e.) 3x = ____ (Subtraction Prop. of Equality)
f.) x = ____ (Division Prop. of Equality)

Answer 1

algebraically prove that x is a complementary angle