Answer:
C) add 5 to each sides.
Step-by-step explanation:
1) Add 5 to both sides.
[tex]15 + 5 = y[/tex]
2) Simplify 15 + 5 to 20.
[tex]20 = y[/tex]
3) Switch sides.
[tex]y = 20[/tex]
You need to add 5 to each sides in order to solve this equation. if you do, you'll get an answer of 20.
