Young solves the equation -2z - 7 = -19 and gets z = 6 . Which answer best shows how he checked his answers?

Question

(1 point) Responses -2(6) - 7 -12 - 7 -19 -2(6) - 7 -12 - 7 -19 -2(6) - 7 4 - 7 -19 -2(6) - 7 4 - 7 -19 -2(6) - 7 -12 - (-7) -19 -2(6) - 7 -12 - (-7) -19 -2(6) - 7 -12 + 7 -19

Answer 1

-2(6) - 7 = -12 - 7
-12 - 7 = -19

Therefore, Young checked his answer by substituting z = 6 into the equation and simplifying to show that it equals -19.