What is fifty seven minus nineteen

What is the missing reason in step 5? linear pair postulategivendefinition of complementary anglescongruent complements theorem

Solve the equation x/4 - 5= -8 -27 -12 -7 12

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)