Answer:
E. Step 3
Step-by-step explanation:
Step 2:
2x + 18 = 4x + <u>28 + 2</u>
Step 3:
2x + 18 = 4x + <u>26</u>
She subtracted instead of adding (see bold and underline)
The vertical change between two points is called the rise, and the horizontal change is called the run.
n + 4
It´s like a normal sum, but since the number is unknown just put n.
Answer: B
