Answer:
6.5
Step-by-step explanation:
First subtract h from h to get - 2h
Then add 19 to both sides leaving you with
-2h = -32
Then divide by -2 on both sides
H = 16
74 because each number is increased by 9
McKenzie's work is correct because on step 3 she added the A and the B correctly.
-9x(5-2x)
What does the second two mean?