Question

Which ordered pair is a solution of this equation?X-5y=-31

A) (6,-1)
B) (6,-2)
C) (-2,6)
D) (-1,6)

Answer 1

D. When you substitute for the variables the equation becomes -1-5×6=-31. First, you multiply -5 by 6 to get -30. This makes the equation -1-30=-31. -1-30 is -31 so your equation is now -31=-31.