A.
-2(6) - 7
-12 - 7
-19
Young solves the equation -2z - 7 = -19 and gets z = 6.
Which answer best shows how he checked his answer?
A.
-2(6) - 7
-12 - 7
-19
B.
-2(6) - 7
4 - 7
-19
C.
-2(6) - 7
-12 - (-7)
-19
D.
-2(6) - 7
-12 + 7
-19
1 answer