Can someone help me solve these

Question

m1=(3x+20)
m3=5x-16
(Vertical Angles are Congruent)

a.) _____ = (5x - 16) (Substitution)

b.) -2x + 20 = _____ (Subtraction Prop. of Equality)

c.) -2x = _____ (Subtraction Prop. of Equality)

d.) x = _____ (Division Prop. of Equality