c = y + a solve for y

Answer:
Step-by-step explanation:
To solve for y, isolate it on one side of the equation.
First, switch sides.
c=y+a
y+a=c
Then, you subtract by a from both sides.
y+a-a=c-a
Solve.
[tex]\Longrightarrow:\boxed{\sf{y=c-a}}[/tex]
I hope this helps you! Let me know if my answer is wrong or not.