To solve the equation \( y + 3.7 = 6.17 \), you can isolate \( y \) by subtracting \( 3.7 \) from both sides:
\[ y + 3.7 - 3.7 = 6.17 - 3.7 \]
This simplifies to:
\[ y = 6.17 - 3.7 \]
Calculating the right side:
\[ y = 2.47 \]
So, the solution is:
\[ y = 2.47 \]