(-37,4 + 37,4) + (-10) =

To solve the expression \((-37.4 + 37.4) + (-10)\), we can break it down step by step.

1. First, calculate \(-37.4 + 37.4\): \[ -37.4 + 37.4 = 0 \]

2. Now, substitute this value back into the expression: \[ 0 + (-10) = -10 \]

Therefore, the final answer is: \[ \boxed{-10} \]