Answer:
7z + 5 + 6z - 9 (Add 7z and 6z, subtract 9 from 5)
<em>13z - 4 </em>(Can't be simplified further)
You solve by with by altitude! Hope it helps
Answer:
function
Step-by-step explanation:
Odd integers are 2 apart from each other (in between them is an even number)
x and x+2 is answer
Answer:

Step-by-step explanation:
n is doubled: 2n
y added: 2n + y
divided by 2: n + 
n subtracted -> final resutl: 